Nozzle fitment
AEG
VFC
SHS
Prometheus
Guarder
M4 / AR-15 AEG Air Nozzles
The M4 / AR-15 is the reference AEG platform, and its air nozzle length is roughly 21.4mm (commonly quoted between 20.8mm and 21.5mm depending on gearbox and hop-up unit). Almost every V2-gearbox AR-pattern gun uses this length, which is why it is the most stocked nozzle size. Confirm by measuring the nozzle you are removing, because makers and hop-up units shift the exact figure slightly.
Also searched as: M4 nozzle, AR-15 nozzle, M16 nozzle, HK416 nozzle, V2 gearbox nozzle, M4 air nozzle length, 21.4mm nozzle.
Nozzles
340
Retailers
49
From
$1.71
In stock
219
How AEG nozzle fitment works
- AEG air nozzles fit by length, and length is platform-specific: An AEG air nozzle is not universal. It fits your gun by its length in millimetres, and that length is set by your platform: an M4 runs about 21.4mm, an AK about 19.6mm, a G36 about 24.5mm, and long-receiver guns like the SCAR-H run much longer. The internal fit to the cylinder head is broadly shared across standard AEG gearboxes, so the number that actually decides fitment is the length. The reliable method is to measure the nozzle you are replacing and match that, then feed-test.
Fitment notes & exceptions
- Target length is about 21.4mm: Most M4 / AR-15 AEGs use a nozzle around 21.4mm, with the usable range roughly 20.8mm to 21.5mm depending on the gearbox and hop-up unit. If air seal or feeding is off after a build, measuring and matching the nozzle length is the first thing to check.
- Hop-up unit changes the ideal length: Swapping to a rotary or CNC hop-up unit can shift the ideal nozzle length by a fraction of a millimetre. If you change the hop-up, re-check the nozzle length rather than assuming the old one still seals and feeds perfectly.
Showing 340 of 340 nozzles
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Guarder M16A2/M4 Air Seal Nozzle
GuarderAEG Nozzles
$9.99
In Stock1 retailer
Fits: M4/AR PlatformCompare Prices
Guarder M16A2/M4 Air Seal Nozzle for V2 AEG Gearboxes
GuarderAEG Nozzles
$9.99
In Stock1 retailer
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Maxx Model AEG Air Nozzle - 21.25mm (M4 AEG)
MAXXAEG Nozzles
$9.99
In Stock1 retailer
Fits: M4/AR, AEGCompare Prices
Maxx Model AEG Air Nozzle - 21.50mm (M4 AEG)
MAXXAEG Nozzles
$9.99
In Stock1 retailer
Fits: M4/AR, AEGCompare Prices
MAXX Model Double O-Ring Seal Nozzle for M4 AEG (21.25mm)
LA AirsoftAEG Nozzles
$9.99
In Stock1 retailer
Fits: M4/ARCompare Prices
VFC Replacement V2 AEG M4 Nozzle
VFCAEG Nozzles
$9.99
In Stock1 retailer
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AIM TOP Matrix Polycarbonate O-Ring Air Seal Nozzle for M4 / M16 Airsoft AEG Series
AIM TopAEG Nozzles
$10.00
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AIM TOP Matrix Polycarbonate ORing Air Seal Nozzle for M4 M16 Airsoft AEG Series
AIM TopAEG Nozzles
$10.00
In Stock1 retailer
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Echo1 M4/M16 Air Nozzle
ECHO1 USAAEG Nozzles
$10.00
In Stock1 retailer
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Elite Force H&K VFC 416/C, M27, 4CRS/L Air Nozzle
Elite ForceAEG Nozzles
$10.00
In Stock1 retailer
Fits: AEGCompare Prices
FPS Ergal Air Nozzle with inner O-Ring for Airsoft M4 / M16
UnbrandedAEG Nozzles
$10.00
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SLONG AIRSOFT Nozzle with inner O-Ring for M4 AEG
SLONGAEG Nozzles
$10.13
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Rossi CNC Nozzle for M4
ROSSIAEG Nozzles
$10.22
In Stock1 retailer
Fits: M4/AR, AEGCompare Prices
Nozzle O-Ring - M4 AEG - POM CNC - FPS Softair
FPS SoftairAEG Nozzles
$10.24
In Stock1 retailer
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E&C HK416 A5 AEG Alloy Bolt stop
E&CAEG Nozzles
$10.50
In StockBlack
1 retailer · 1 variant
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Tightened Nozzle for M16A2 / M4 Replicas
PrometheusAEG Nozzles
$10.62
In Stock1 retailer
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Gate POM Sealed Air Nozzle - M4/M16 21.25mm
GateAEG Nozzles
$10.74
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Gate POM Sealed Air Nozzle - M4/M16 21.40mm
GateAEG Nozzles
$10.74
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FPS Softair Nozzle with inner O-Ring for M4 AEG
FPS SoftairAEG Nozzles
$10.82
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Maxx Model Aluminum M4/M16 Nozzle
Maxx ModelAEG Nozzles
$10.90
In StockRed
1 retailer · 1 variant
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Element - Reinforced CNC Aluminum Air Seal Nozzle for M4/M16 AEG (4 Pcs)
ElementAEG Nozzles
$11.00
In Stock1 retailer
Fits: M4/AR, AEGCompare Prices
WE M4 / M16 GBB Part No. 44 (BSP-WE-M4-9) - Nozzle (neuste Version, CO2-Ready)
UnbrandedAEG Nozzles
$11.25
In Stock1 retailer
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Nozzle avec O-Ring - M4 AEG - ERGAL CNC - FPS Softair
FPS SoftairAEG Nozzles
$11.38
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Nozzle O-Ring - M4 AEG - POM CNC - Gate
GateAEG Nozzles
$11.38
In Stock1 retailer
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FPS Ergal Air Nozzle with inner O-Ring for TM NGRS SOPMOD M4
UnbrandedAEG Nozzles
$11.50
In Stock1 retailer
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FPS Delrin Nozzle with 0 Ring for m4/m16
FPS SoftairAEG Nozzles
$11.96
In Stock1 retailer
Fits: M4/ARCompare Prices
Guarder High Precision Oil Tempered Nozzle for M16A2 M4 Series Airsoft AEG
GuarderAEG Nozzles
$12.00
In Stock1 retailer
Fits: M4/AR, AEGCompare Prices
KRYTAC Ver 2 CNC Precision Air Nozzle w Oring for M4 M16 Airsoft AEGs
KrytacAEG Nozzles
$12.00
In Stock1 retailer
Fits: M4/ARCompare Prices
KRYTAC Ver 2 CNC Precision Air Nozzle w/ O-ring for M4/M16 Airsoft AEGs
KrytacAEG Nozzles
$12.00
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Specna Arms Aluminum O-Ring Air Seal Nozzle for M4 Version 2 AEG Series
Specna ArmsAEG Nozzles
$12.00
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Specna Arms Aluminum ORing Air Seal Nozzle for M4 Version 2 AEG Series
Specna ArmsAEG Nozzles
$12.00
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Nozzle M16A2/M4A1/249
UnbrandedAEG Nozzles
$12.23
In Stock1 retailer
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WE M4 GBB Open Bolt - Nozzle Head #41
WE TechAEG Nozzles
$12.94
In Stock1 retailer
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SHS M4 Nozzle
SHSAEG Nozzles
$12.99
In Stock1 retailer
Fits: M4/ARCompare Prices
Prometheus Sealing Nozzle for Airsoft AEG Gearboxes Type Tokyo Marui Spec M4 M16
PrometheusAEG Nozzles
$13.00
In Stock1 retailer
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Prometheus Sealing Nozzle for Airsoft AEG Gearboxes Type Tokyo Marui Spec M4 M16 - Krytac Spec M4
PrometheusAEG Nozzles
$13.00
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Big Dragon GBB M4 Loading Nozzle Set ( POM )
Big DragonAEG Nozzles
$13.26
In Stock1 retailer
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Lonex - NGRS M4 - M4 Nozzle
EMGAEG Nozzles
$13.60
In Stock1 retailer
Fits: M4/ARCompare Prices
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[Prometheus] Sealing Nozzle[For KRYTAC M4 AEG Series]
PrometheusAEG Nozzles
$13.63
In Stock1 retailer
Fits: M4/ARCompare Prices
Alpha PTW M4 Series Steel Boltstop Set
Alpha PartsAEG Nozzles
$14.33
In Stock1 retailer
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Prometheus Air Sealing Nozzle - Krytac M4
KrytacAEG Nozzles
$14.66
In Stock1 retailer
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EMG F-1 Firearms Officially Licensed BDR Mock Bolt Release for M4/M16 Series Airsoft AEGs
EMGAEG Nozzles
$14.71
In StockBlack
1 retailer · 1 variant
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ICS Master Mods CNC Aluminum Air Nozzle for M4 M16 Series Airsoft AEG Rifles
ICSAEG Nozzles
$15.00
In Stock1 retailer
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Prometheus Nozzle M16A2・M4・RIS・SR-16・M733・S-SYSTEM
LaylaxAEG Nozzles
$16.99
In Stock1 retailer
Fits: M4/ARCompare Prices
VFC Adjustable Loading Nozzle Set for M4 EVO GBB ( NPAS )
VFCAEG Nozzles
$17.22
In Stock1 retailer
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Gsr4 04 Src M4 Sr4 Air Nozzle Set For Kli Sr4 Zaros Co2 Gbb Rifles Black
KLIAEG Nozzles
$20.00
In Stock1 retailer
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SRC M4 SR4 Air Nozzle Set for KLI SR4 ZAROS CO2 GBB Rifles -
SRCAEG Nozzles
$20.00
In StockBlack
1 retailer · 1 variant
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![[VFC] M4 GBBr Loading Nozzle Set[ For Umarex M4/ HK416 GBB Series][V3][2024 Ver.][NPAS Ver.]](https://cdn.shopify.com/s/files/1/0483/0642/1921/products/VFC_M4GBBrLoadingNozzleSet_ForUmarexM4_HK416GBBSeries_NPASVer._3.jpg?v=1627320579#p=vfc-m4-gbbr-loading-nozzle-set-for-umarex-m4-hk416-gbb-series-v3-2024-ver-npas)
[VFC] M4 GBBr Loading Nozzle Set[ For Umarex M4/ HK416 GBB Series][V3][2024 Ver.][NPAS Ver.]
VFCAEG Nozzles
$21.05
In Stock1 retailer
Fits: V3 Gearbox AEG, M4/ARCompare Prices
RA Tech NPAS Kit for KJ M4 GBB Airsoft Rifle
RA TechAEG Nozzles
$21.08
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WE M4 GBB Open Bolt - Nozzle ( WE0207 )
WE TechAEG Nozzles
$22.38
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WE R5C / M4 GBB Part WER5C-7 Teil 1-6 & 13 - Loading Nozzle Set
UnbrandedAEG Nozzles
$22.62
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Nozzle for M4 WE GBB - Polycarbonate / Red - Angel Custom
UnbrandedAEG Nozzles
$23.84
In Stock1 retailer
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WE Original Parts - Replacement Loading Nozzle for AR / M4 GBB
WE TechAEG Nozzles
$24.49
In Stock1 retailer
Fits: M4/AR, APACHECompare Prices
Bolt stop plate for M4 Marui GBB - CNC steel - WiiTech
UnbrandedAEG Nozzles
$24.98
In Stock1 retailer
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Air-tight Nozzle, M4 Series
WiiTechAEG Nozzles
$25.00
In Stock1 retailer
Fits: M4/ARCompare Prices
Air-tight Nozzle, Recoil Shock M4
WiiTechAEG Nozzles
$25.00
In Stock1 retailer
Fits: M4/ARCompare Prices
Inokatsu M4 GBB Alloy Bolt Release
InokatsuAEG Nozzles
$25.00
In Stock1 retailer
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KLI M4 SR4 Air Nozzle Set for KLI SR4 ZAROS CO2 GBB Rifles
KLIAEG Nozzles
$25.00
In Stock1 retailer
Fits: M4/ARCompare Prices
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[APS] Loading Nozzle [For GBox M4 GBB]
APSAEG Nozzles
$25.83
In Stock1 retailer
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MagicBox Air Nozzle M4 Marui Next Gen
Magic BoxAEG Nozzles
$25.99
In Stock1 retailer
Fits: M4/ARCompare Prices
6mmProShop Replacement Air Nozzle for M4 M16 Series Airsoft GBB Rifles
6mmProShopAEG Nozzles
$26.00
In Stock1 retailer
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M.I.T. Airsoft Adjustable Stainless Steel Nozzle for M4
M.I.T. AirsoftAEG Nozzles
$26.86
In Stock1 retailer
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Z-Parts CNC Steel Nozzle Guide for Z-Parts Steel Bolt Carrier (Umarex 416 GBB)
Z-PartsAEG Nozzles
$27.99
In Stock1 retailer
Fits: AEGCompare Prices
Bolt Blowback Unit Set (M4) (BA-016) (SP-BOLT-033)
UnbrandedAEG Nozzles
$28.19
In Stock1 retailer
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GATE PULSAR S Nozzle 21.25-21.40 mm For M4/M16
GateAEG Nozzles
$29.66
In Stock1 retailer
Fits: M4/ARCompare Prices
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PULSAR H Nozzle 21.15 mm [M4/M16]
GATE EnterpriseAEG Nozzles
$32.96
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![PULSAR H Nozzle 21.40 mm [M4/M16]](https://cdn.shopify.com/s/files/1/0899/9524/7982/files/pulsar-h-nozzle-21-40-mm-m4-m16-295.webp?v=1745988459#p=pulsar-h-nozzle-21-40-mm-m4-m16)
PULSAR H Nozzle 21.40 mm [M4/M16]
GATE EnterpriseAEG Nozzles
$32.96
In Stock1 retailer
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![PULSAR S Nozzle 21.25-21.40 mm [M4/M16]](https://cdn.shopify.com/s/files/1/0899/9524/7982/files/pulsar-s-nozzle-21-25-21-40-mm-m4-m16-521.webp?v=1745990378#p=pulsar-s-nozzle-21-25-21-40-mm-m4-m16)
PULSAR S Nozzle 21.25-21.40 mm [M4/M16]
GATE EnterpriseAEG Nozzles
$32.96
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![[CGS] CYMA Loading Nozzle Set [For AR / M4 GBB Series]](https://cdn.shopify.com/s/files/1/0483/0642/1921/files/Untitled-1_4d2f7cd7-4a7f-4284-a76d-84006f2e6e3d.jpg?v=1706073443#p=cgs-cyma-loading-nozzle-set-for-ar-m4-gbb-series)
[CGS] CYMA Loading Nozzle Set [For AR / M4 GBB Series]
CYMAAEG Nozzles
$33.57
In Stock1 retailer
Fits: M4/ARCompare Prices
VFC EVO M4 Complete Nozzle
VFCAEG Nozzles
$34.00
In Stock1 retailer
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Prometheus KRYTAC M4 Sealing Nozzle
PrometheusAEG Nozzles
$34.99
In Stock1 retailer
Fits: M4/ARCompare Prices
VFC M4 GBB Nozzle V2/V3 (NPAS)
VegaForceCompanyAEG Nozzles
$34.99
In Stock1 retailer
Fits: M4/ARCompare Prices
Laylax Sealing Nozzle NEO for Tokyo Marui Next Generation Recoil Shock M4 EBB Rifles
LaylaxAEG Nozzles
$38.00
In Stock1 retailer
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Laylax Prometheus Nozzle Neo for Next Gen M4 Series
LaylaxAEG Nozzles
$40.30
In Stock1 retailer
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WE M4 GBR Nozzle
UnbrandedAEG Nozzles
$41.20
In Stock1 retailer
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Laylax Prometheus Neo Air Nozzle for Recoil Shock M4 Series
LaylaxAEG Nozzles
$42.09
In Stock1 retailer
Fits: M4/AR, AEGCompare Prices
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[Guns Modify] Reinforced Drop In Complete Nozzle Set V3.5 [For Tokyo Marui M4 MWS]
Guns ModifyAEG Nozzles
$43.64
In Stock1 retailer
Fits: V3 Gearbox AEG, M4/ARCompare Prices
Prometheus Next Generation Sopmod M4 Sealing Nozzle Neo Compatible W Tokyo Marui Next Generation M4 Series Black
PrometheusAEG Nozzles
$45.00
In Stock1 retailer
Fits: M4/ARCompare Prices
Prometheus Next Generation SOPMOD M4 Sealing Nozzle NEO Compatible w/ Tokyo Marui Next Generation M4 Series -
PrometheusAEG Nozzles
$45.00
In StockBlack
1 retailer · 1 variant
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Prometheus Tokyo Marui NGRS SOPMOD M4 Sealing Nozzle NEO
PrometheusAEG Nozzles
$45.00
In Stock1 retailer
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Prometheus Sealing Nozzle NEO for Next Generation AEG M4 Series
PrometheusAEG Nozzles
$46.51
In Stock1 retailer
Fits: M4/AR, AEGCompare Prices
WE M4 GBB Open Bolt With Nozzle Set For WE GBB AR / M4 System ( WEM4OB0002 )
WE TechAEG Nozzles
$52.30
In Stock1 retailer
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Inokatsu M4 GBB Alloy Enhanced Loading Muzzle Nozzle
InokatsuAEG Nozzles
$58.00
In Stock1 retailer
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CYMA CGS Noveske Steel Bolt Carrier Set for CGS M4 GBB Airsoft
CYMAAEG Nozzles
$119.87
In Stock1 retailer
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CYMA CGS Steel Bolt Carrier Set -Silver for CGS M4 GBB ( CGS-SY-0004-SL )
CYMAAEG Nozzles
$130.87
In Stock1 retailer
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CYMA CGS Steel Bolt Carrier Set Without Forward Assist -Silver for CGS M4 GBB ( CGS-SY-0004A-SL )
CYMAAEG Nozzles
$130.87
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CYMA CGS Steel Bolt Carrier Set Without Forward Assist for CGS M4 GBB ( CGS-SY-0004A )
CYMAAEG Nozzles
$130.87
In Stock1 retailer
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Hummingbird Short-Stroke Bolt Assembly for VFC AR / M4 GBB Series
VFCAEG Nozzles
$172.72
In Stock1 retailer
Fits: M4/ARCompare Prices
Prometheus Air Nozzle for M16A2/M4/SR/M733
LaylaxAEG Nozzles
From$10.99$21.49Save $10
Out of Stock3 retailers
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Element Airsoft Performance Air Seal Nozzle for M4 Series AEGs
ElementAEG Nozzles
From$4.35$7.99Save $4
Out of Stock2 retailers
Fits: M4/AR, AEGCompare Prices
SRC Airsoft Performance Aluminum Air Nozzle for M4 / M16 AEGs
SRCAEG Nozzles
From$5.00$7.95Save $3
Out of Stock2 retailers
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M4 Aluminum Air Seal Nozzle
POINTAEG Nozzles
From$8.99
Out of Stock2 retailers
Fits: M4/AR, AEGCompare Prices
Prometheus Air Nozzle for M16, M4, SR16, M733
LaylaxAEG Nozzles
From$16.00
Out of StockBlack
2 retailers · 1 variant
Fits: M4/ARCompare Prices
G&P Bolt Stop Set for M4 / M16 AEG (Sand)
G&PAEG Nozzles
$1.91
Out of Stock1 retailer
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SHS X-Mod Airsoft Performance CNC Aluminum M4 /M16 Air Nozzle
SHSAEG Nozzles
$2.10
Out of Stock1 retailer
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Army Force Aluminum V2 Loading Nozzle for M4
Army ForceAEG Nozzles
$2.27
Out of Stock1 retailer
Fits: M4/ARCompare Prices
Army Force Aluminum V2 Loading Nozzle for M4 - Length: 21.5mm
Army ForceAEG Nozzles
$2.27
Out of Stock1 retailer
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Army Force Aluminum V2 Loading Nozzle for M4 - Length: 23.6mm
Army ForceAEG Nozzles
$2.28
Out of Stock1 retailer
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Element Airsoft Aluminum Air Seal Nozzle for M4 Series AEGs
XTREME Airsoft SuperstoreAEG Nozzles
$3.15
Out of Stock1 retailer
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SHS Aluminium Air Seal Nozzle for M4 Series AEG
SHSAEG Nozzles
$3.31
Out of Stock1 retailer
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Eagle Force ABS Air-Seal Nozzle for M4A1/M16A2 AEG
Eagle ForceAEG Nozzles
$3.32
Out of Stock1 retailer
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EAIMING Aluminum Air Seal Nozzle for M4 AEG Series
eAimingAEG Nozzles
$3.33
Out of Stock1 retailer
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EAIMING Air Seal nozzle for M4/M16 AEG Rifle
eAimingAEG Nozzles
$3.34
Out of StockRed
1 retailer · 1 variant
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Nozzle Bore-Up - M4 AEG - Alu CNC - SHS
SHSAEG Nozzles
$3.41
Out of Stock1 retailer
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Army Force Air Seal nozzle for M4 AEG Rifle
Army ForceAEG Nozzles
$3.46
Out of StockBlack
1 retailer · 1 variant
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Army Force Air Seal nozzle for M4 AEG Rifle
Army ForceAEG Nozzles
$3.46
Out of StockRed
1 retailer · 1 variant
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Army Force Air Seal nozzle for M4/M16 AEG Rifle
Army ForceAEG Nozzles
$3.46
Out of StockGold
1 retailer · 1 variant
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Lancer Tactical Aluminum Reinforced Air Nozzle for M4 AEGs
XTREME Airsoft SuperstoreAEG Nozzles
$3.50
Out of StockRed
1 retailer · 1 variant
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Lancer Tactical Aluminum Reinforced Air Nozzle For M4 Aegs Red Ca B036a R CA B036A R
Lancer TacticalAEG Nozzles
$3.50
Out of Stock1 retailer
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Element Airsoft Upgrade M4 / M16 Air Nozzle w/ Internal O-Ring
ElementAEG Nozzles
$3.78
Out of Stock1 retailer
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Army Force Metal Air Seal Nozzle for M4A1 Series AEG
Army ForceAEG Nozzles
$3.82
Out of StockRed
1 retailer · 1 variant
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Element M4 Airsoft Upgrade Air Seal Nozzle Acc In0727 IN0727
ElementAEG Nozzles
$3.99
Out of Stock1 retailer
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Bolt Carrier Nozzle Retaining Lock for WA G and P King Arms M4 Airsoft GBB Rifles
BOLTAEG Nozzles
$4.00
Out of Stock1 retailer
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Deep Fire Enlarged Air Nozzle (for Tokyo Marui M4) (Bore Up Version)
Deep FireAEG Nozzles
$4.00
Out of Stock1 retailer
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Deep Fire Enlarged Metal Nozzle for Tokyo Marui M16 AEG (Bore Up Version)
Deep FireAEG Nozzles
$4.00
Out of Stock1 retailer
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Deep Fire Metal Nozzle for M4 Series AEG
Deep FireAEG Nozzles
$4.00
Out of Stock1 retailer
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Deep Fire Metal Nozzle for Tokyo Marui M16 Series
Deep FireAEG Nozzles
$4.00
Out of Stock1 retailer
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SHS V2 M4 Aluminum O-ring Air Nozzle
SHSAEG Nozzles
$4.00
Out of Stock1 retailer
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LONEX Air Seal Nozzle for M16A2 / M4A1 / SR16 AEG Series
LonexAEG Nozzles
$4.34
Out of Stock1 retailer
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E&C M4/M16 AEG Metal Bolt Stop Plate Cover
E&CAEG Nozzles
$4.90
Out of StockBlack
1 retailer · 1 variant
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APS Metal Air Seal Nozzle for M4A1 AEG Series
APSAEG Nozzles
$5.94
Out of Stock1 retailer
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Element M4 Airsoft Upgrade Air Seal Nozzle Acc In0727 IN0728
ElementAEG Nozzles
$5.95
Out of Stock1 retailer
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Shs X Mod Airsoft Performance Cnc Aluminum M4 M16 Air Nozzle ACC SHS AN02
SHSAEG Nozzles
$5.95
Out of Stock1 retailer
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G&G Airsoft Replacement Air Seal Nozzle - For Combat Machine M4 AEGs
XTREME Airsoft SuperstoreAEG Nozzles
$6.00
Out of Stock1 retailer
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Lancer Tactical Airsoft Aluminum Nozzle for M4 Series AEG - 23.45mm
XTREME Airsoft SuperstoreAEG Nozzles
$6.00
Out of Stock1 retailer
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Lancer Tactical Airsoft Aluminum Nozzle For M4 Series Aeg 23 45mm CA 539
Lancer TacticalAEG Nozzles
$6.00
Out of Stock1 retailer
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Lonex Air Seal Nozzle for M4/M16 Series Airsoft AEG Rifles
LonexAEG Nozzles
$6.00
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
Lonex CNC Polycarbonate Air Nozzle for M4/M16 Series AEGs
XTREME Airsoft SuperstoreAEG Nozzles
$6.00
Out of Stock1 retailer
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Building Fire Steel bolt stop for M4 GBB WA
Building FireAEG Nozzles
$6.35
Out of Stock1 retailer
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G&G Airsoft Replacement Air Seal Nozzle - For G&G GR16 M4/ M16 AEGs
G&GAEG Nozzles
$6.45
Out of Stock1 retailer
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Modify Air Seal Nozzle for Marui M16A2/ M4 Airsoft AEG
MODIFY-TECHAEG Nozzles
$6.98
Out of Stock1 retailer
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Modify Tokyo Marui M4 AEG Airsoft Air Seal Nozzle
MODIFY-TECHAEG Nozzles
$6.99
Out of Stock1 retailer
Fits: M4/ARCompare Prices
RETRO Arms M4 Air Nozzles | CNC Made | 21.4 mm
Retro ArmsAEG Nozzles
$6.99
Out of Stock1 retailer
Fits: M4/ARCompare Prices
SHS 5x1mm Air Nozzle for Airsoft M4 Airsoft AEG Rifles
Lancer TacticalAEG Nozzles
$6.99
Out of Stock1 retailer
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Gandg Airsoft Replacement Air Seal Nozzle For Combat Machine M4 Aegs GNG G 17 010
UnbrandedAEG Nozzles
$7.00
Out of Stock1 retailer
Fits: M4/ARCompare Prices
Guarder Bore-Up Air Seal Nozzle for M4 Series
GuarderAEG Nozzles
$7.00
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
OEM Air Seal Nozzle for M4 M16 Series Airsoft AEG
OEMAEG Nozzles
$7.00
Out of Stock1 retailer
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Element Air-Seal Nozzle for M4A1 / M16A2 AEG
ElementAEG Nozzles
$7.19
Out of Stock1 retailer
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[SHS] POM Air Seal Nozzle [For Tokyo Marui M4 SOPMOD NGRS Series]
SHSAEG Nozzles
$7.33
Out of Stock1 retailer
Fits: M4/ARCompare Prices
Classic Army Bore Up Air Nozzle For M4A1
Classic ArmyAEG Nozzles
$7.58
Out of Stock1 retailer
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SHS M4 Aluminum Air Nozzle with Air Seal O-Ring
SHSAEG Nozzles
$7.81
Out of Stock1 retailer
Fits: M4/ARCompare Prices
Element Airsoft Upgrade M4 M16 Air Nozzle W Internal O Ring ACC IN0702 NOZZLE
ElementAEG Nozzles
$7.95
Out of Stock1 retailer
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Element M4 Airsoft Upgrade Air Seal Nozzle Acc In0727 ACC IN0727
ElementAEG Nozzles
$7.95
Out of Stock1 retailer
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Dream Army Aluminum M4 Air Seal Nozzle W/ Oring + Spare Airsoft AEG
Dream ArmyAEG Nozzles
$7.99
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
Retro Arms CNC Machined Aluminum m4 Air Nozzle
Retro ArmsAEG Nozzles
$7.99
Out of Stock1 retailer
Fits: M4/ARCompare Prices
SHS Polycarbonate Air Nozzle for M4 Series Airsoft AEG Rifles
SHSAEG Nozzles
$8.00
Out of Stock1 retailer
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King Arms Air Seal Nozzle for M4A1 / M16A2
King ArmsAEG Nozzles
$8.14
Out of Stock1 retailer
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Army Force Metal Air Seal Nozzle for M4A1 Series AEG
Army ForceAEG Nozzles
$8.22
Out of StockGreen
1 retailer · 1 variant
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Guarder M16A2/M4 Series Air Seal Nozzle
GuarderAEG Nozzles
$8.29
Out of Stock1 retailer
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Guarder M16A2/M4 Series Bore-Up Air Seal Nozzle
GuarderAEG Nozzles
$8.29
Out of Stock1 retailer
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Airsoft Air Seal Nozzle For M4 Aeg Series Red El 2 04 EL 2 04
UnbrandedAEG Nozzles
$8.50
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
E&L Airsoft Air Seal Nozzle for M4 AEG Series
XTREME Airsoft SuperstoreAEG Nozzles
$8.50
Out of StockRed
1 retailer · 1 variant
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SHS M16/M4 Air Nozzle
OMGAEG Nozzles
$8.64
Out of Stock1 retailer
Fits: M4/ARCompare Prices
Lonex Air Seal Nozzle for M16 / M4 Series Airsoft AEGs
LonexAEG Nozzles
$8.95
Out of Stock1 retailer
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Lonex Air Seal Nozzle For M16 M4 Series Aegs Gb 02 09 LTC GB 02 09
LonexAEG Nozzles
$8.95
Out of Stock1 retailer
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Real Deal 21.1mm POM Nozzle for M4 AEG
UnbrandedAEG Nozzles
$8.99
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
BAAL CNC Polycarbonate Air Nozzle for M4 M16 Series AEG
BAALAEG Nozzles
$9.00
Out of Stock1 retailer
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V00fem011 Vfc Air Seal Nozzle For M4 M16 Hk416 Series Airsoft Aeg Rifles Black
UnbrandedAEG Nozzles
$9.00
Out of Stock1 retailer
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SHS - M4/M16 - Nozzle
EMGAEG Nozzles
$9.05
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
ICS M4/MX5 Metal Air Jet Nozzle
OMGAEG Nozzles
$9.19
Out of Stock1 retailer
Fits: M4/ARCompare Prices
SHS Super Shooter M4/M16 AEG Aluminum Air Nozzle with Double O-Rings
SHSAEG Nozzles
$9.20
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
Specna Arms AR15 / M4 Airsoft Air Seal Nozzle – Discontinued
OMGAEG Nozzles
$9.23
Out of Stock1 retailer
Fits: M4/ARCompare Prices
Nuprol M4 Nozzle
NuprolAEG Nozzles
$9.29
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
Point M4 Aluminum Double O-Ring Nozzle
POINTAEG Nozzles
$9.29
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
![[Guarder] M16A2/M4 Series Air Seal Nozzle](https://cdn.shopify.com/s/files/1/0483/0642/1921/files/1_1537d71b-a6bb-47ab-9aac-ed8b3c8be92f.jpg?v=1686209437#p=guarder-m16a2-m4-series-air-seal-nozzle)
[Guarder] M16A2/M4 Series Air Seal Nozzle
GuarderAEG Nozzles
$9.42
Out of Stock1 retailer
Fits: M4/ARCompare Prices
![[Guarder] M16A2/M4 Series Bore-Up Air Seal Nozzle](https://cdn.shopify.com/s/files/1/0483/0642/1921/files/1_2462f88e-568d-4b36-a8b7-cfe274cae5f0.jpg?v=1686210015#p=guarder-m16a2-m4-series-bore-up-air-seal-nozzle)
[Guarder] M16A2/M4 Series Bore-Up Air Seal Nozzle
GuarderAEG Nozzles
$9.42
Out of Stock1 retailer
Fits: M4/ARCompare Prices
![[Guarder] Air Seal Airsoft Nozzle[For Tokyo Marui M16/M4 AEG Series]](https://cdn.shopify.com/s/files/1/0483/0642/1921/products/10025__Guarder__Air_Seal_Airsoft_Nozzle_For_Tokyo_Marui_M16M4_AEG_Series_1.jpg?v=1611029215#p=guarder-air-seal-airsoft-nozzle-for-tokyo-marui-m16-m4-aeg-series)
[Guarder] Air Seal Airsoft Nozzle[For Tokyo Marui M16/M4 AEG Series]
GuarderAEG Nozzles
$9.93
Out of Stock1 retailer
Fits: M4/ARCompare Prices
![[Guarder] Bore-Up Air Seal Airsoft Nozzle[M16/XM177-E2 / CAR-15 AEG Series]](https://cdn.shopify.com/s/files/1/0483/0642/1921/products/Guarder_AirSealAirsoftNozzle_ForTokyoMaruiG3AEGSeries_e9e1d00e-6924-4b71-bc8f-64d3f5115637.jpg?v=1641985879#p=guarder-bore-up-air-seal-airsoft-nozzle-m16-xm177-e2-car-15-aeg-series)
[Guarder] Bore-Up Air Seal Airsoft Nozzle[M16/XM177-E2 / CAR-15 AEG Series]
GuarderAEG Nozzles
$9.93
Out of Stock1 retailer
Fits: M4/ARCompare Prices
VFC Air Seal Nozzle for M4/M16 & HK416 Series Airsoft AEG
VegaForceCompanyAEG Nozzles
$9.99
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
VFC Airsoft 21.2mm M4/M16/HK416 Air Nozzle
VFCAEG Nozzles
$10.00
Out of Stock1 retailer
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ASG - M4 - Ultimate Series Air Nozzle
ActionSportGames/ASGAEG Nozzles
$10.18
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
ARES M4 AEG Air Seal Nozzle (Sliver)
ARESAEG Nozzles
$10.70
Out of Stock1 retailer
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Rocket Airsoft CNC Aluminum Air Nozzle for Airsoft AEG Gearboxes (Type: M4 / Double O-Ring)
Rocket AirsoftAEG Nozzles
$10.99
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
King Arms Steel Bolt Carrier Omament Plate For KA M4 AEG
King ArmsAEG Nozzles
$11.16
Out of Stock1 retailer
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![[Prometheus] air nozzle[For Tokyo Marui M16A2/M4/SR/M733 AEG Series]](https://cdn.shopify.com/s/files/1/0483/0642/1921/products/Prometheus_airnozzle_ForTokyoMaruiM16A2M4SRM733AEGSeries_2.jpg?v=1641984905#p=prometheus-air-nozzle-for-tokyo-marui-m16a2-m4-sr-m733-aeg-series)
[Prometheus] air nozzle[For Tokyo Marui M16A2/M4/SR/M733 AEG Series]
PrometheusAEG Nozzles
$11.27
Out of Stock1 retailer
Fits: M4/ARCompare Prices
VFC - M4/M16 - Air Seal Nozzle w/ O-Ring
VFCAEG Nozzles
$11.32
Out of Stock1 retailer
Fits: M4/AR, SCAR, AEGCompare Prices
Guarder M4/M16A2 Airsoft Air Seal Nozzle
OMGAEG Nozzles
$13.22
Out of Stock1 retailer
Fits: M4/ARCompare Prices
ELEMENT CNC Aluminum Air Seal Nozzle M4 SET
ElementAEG Nozzles
$15.00
Out of Stock1 retailer
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Golden Eagle Nozzle For Jing Gong M4 GBB Rifle
Golden EagleAEG Nozzles
$15.32
Out of StockBlack
1 retailer · 1 variant
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Prometheus Air Nozzle For M16 M4 Sr16 M733 Lay Pmnm4 LAY PMNM4
PrometheusAEG Nozzles
$15.99
Out of Stock1 retailer
Fits: M4/ARCompare Prices
VFC Adjustable Loading Nozzle Set for M4 EVO AR GBB System
VFCAEG Nozzles
$17.50
Out of Stock1 retailer
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Dummy Bolt Carrier for M4 AEG - Silver - King Arms
UnbrandedAEG Nozzles
$18.14
Out of Stock1 retailer
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AGM Loading Nozzle Set for AGM M4 Series GBB (negative) - Yellow
AGMAEG Nozzles
$19.39
Out of Stock1 retailer
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VFC M4 GBB Rifle NPAS Ver. 2 Loading Nozzle Set
VFCAEG Nozzles
$20.40
Out of Stock1 retailer
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WE - Loading Nozzle for M4 Open-Chamber Series
WE TechAEG Nozzles
$22.50
Out of Stock1 retailer
Fits: M4/AR, APACHECompare Prices
Tech Airsoft Cnc Steel Nozzle Guide For We M4 Series Gbb AST RAG WE 092
WE TechAEG Nozzles
$25.95
Out of Stock1 retailer
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Complete Nozzle Assembly for KJW Gas Blowback M4 Rifles
KJWAEG Nozzles
$25.99
Out of Stock1 retailer
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PULSAR S Nozzle for M4/M16 - (21.25-21.40mm)
GATE EnterpriseAEG Nozzles
$29.66
Out of Stock1 retailer
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Prometheus Tokyo Marui NGRS M4 Next Generation Sealing Nozzle Neo
PrometheusAEG Nozzles
$29.99
Out of StockBlack
1 retailer · 1 variant
Fits: M4/ARCompare Prices
Prometheus Sealing Nozzle Neo for Tokyo Marui M4 Next Generation AEG
PrometheusAEG Nozzles
$30.02
Out of Stock1 retailer
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VFC NPAS Nozzle V3 For VFC AR M4 Series GBB Rifles Airsoft
VFCAEG Nozzles
$30.09
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
Umarex T4E TM-4 / H&K 416 Replacement Bolt Assembly
UmarexAEG Nozzles
$31.90
Out of Stock1 retailer
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King Arms High Power Loading Nozzle for WA G and P King Arms M4 Airsoft GBB Gas Blowback Rifles
King ArmsAEG Nozzles
$34.00
Out of Stock1 retailer
Fits: M4/ARCompare Prices
VFC M4/416 Complete Nozzle
VFCAEG Nozzles
$34.00
Out of Stock1 retailer
Fits: M4/ARCompare Prices
King Arms High Power Loading Nozzle Set for M4 Gas Blowback
King ArmsAEG Nozzles
$34.03
Out of Stock1 retailer
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FIREFLY - Accuracy Cutting Type Nozzle for SOPMOD M4 EBB AEG
FireFlyAEG Nozzles
$36.99
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
Blt M4g Zn04 Vfc M4 Oem Gbb Reinforced Bolt Carrier Group W V3 Npas Nozzle Black
UnbrandedAEG Nozzles
$41.50
Out of Stock1 retailer
Fits: M4/ARCompare Prices
VFC M4 OEM GBB Reinforced Bolt Carrier Group w/ V3 NPAS Nozzle -
VegaForceCompanyAEG Nozzles
$41.50
Out of StockBlack
1 retailer · 1 variant
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Prometheus NEO Air Nozzle for TM NGRS M4/416/417
PrometheusAEG Nozzles
$42.14
Out of Stock1 retailer
Fits: M4/AR, AEGCompare Prices
MUZZLE POWER (MPA) LOADING NOZZLE - WE M4, L85 & MSK GBB
UnbrandedAEG Nozzles
$50.60
Out of Stock1 retailer
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King Arms High Power Bolt Carrier Set for M4 Gas Blowback
King ArmsAEG Nozzles
$56.71
Out of Stock1 retailer
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Jing Gong GBB Bolt Carrier Set for Jing Gong M4 GBB
Jing GongAEG Nozzles
$61.87
Out of Stock1 retailer
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VFC Zinc Bolt Set V2 with NPAS Nozzle For VFC M4 V2 Series GBB Rifles Airsoft Black
VFCAEG Nozzles
$61.91
Out of Stock1 retailer
Fits: M4/ARCompare Prices
F-1 Firearms Bolt Carrier for M4 Marui GBB - Black - EMG
UnbrandedAEG Nozzles
$106.62
Out of Stock1 retailer
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CYMA CGS Steel Bolt Carrier for CGS / TM M4 GBB Airsoft
T8 SP SystemAEG Nozzles
$116.00
Out of Stock1 retailer
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Tech Airsoft Aluminum Nozzle Npas Set For We M4 Series Gbb Rifle AST RAG WE 087
WE TechAEG Nozzles
$140.95
Out of Stock1 retailer
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ESD VFC M4 CNC Steel Bolt Carrier
ESDAEG Nozzles
$143.00
Out of Stock1 retailer
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Bolt Carrier type SAI for M4 Marui GBB - CNC Steel / Gold - WiiTech
UnbrandedAEG Nozzles
$165.27
Out of Stock1 retailer
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King Arms Enhanced Loading Muzzle Nozzle for INOKATSU M4 GBB 2012 ver
King ArmsAEG Nozzles
$280.00
Out of Stock1 retailer
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Other AEG platforms
AEG air nozzles fit by length, and length is set by your platform. Pick another gun family to see the nozzles that fit its length.
M4 / AR-15
340 nozzles from $1.71
219 in stock
AK
220 nozzles from $1.15
153 in stock
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153 nozzles from $0.49
118 in stock
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101 nozzles from $2.33
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SCAR
51 nozzles from $2.64
35 in stock
AUG
68 nozzles from $2.79
46 in stock
P90
52 nozzles from $0.47
40 in stock
M14 / EBR
54 nozzles from $0.70
30 in stock
G3 / MC51
67 nozzles from $0.62
44 in stock
M249 / LMG
36 nozzles from $2.90
28 in stock
SIG 55x
22 nozzles from $2.40
19 in stock
MP7
13 nozzles from $2.99
9 in stock
Thompson
22 nozzles from $3.30
13 in stock
Other / universal
1,242 nozzles from $0.23
969 in stock
M4 / AR-15 nozzle buying guide
How to pick an M4 nozzle
Start from about 21.4mm, then confirm by measuring the stock nozzle. Once the length is right, choose between a plain POM nozzle, an O-ring sealed nozzle for a better air seal, or a bore-up nozzle for more air volume. An adjustable nozzle removes the guesswork if you are between sizes.
What to check before you buy
Confirm your gearbox is a standard V2, measure the stock nozzle length, and decide whether you want a sealed or bore-up nozzle. If your hop-up unit is aftermarket, verify the length still feeds cleanly.
Frequently asked questions
What length AEG nozzle does an M4 use?
About 21.4mm, with a usable range of roughly 20.8mm to 21.5mm depending on the gearbox and hop-up unit. Measure the nozzle you are replacing to confirm the exact length for your build.
Will an M4 nozzle fit an AK or G36?
No. The internal cylinder-head fit is broadly shared, but the length is wrong: an AK needs about 19.6mm and a G36 about 24.5mm, so an M4 nozzle will under-seal or jam feeding in those platforms.
How many M4 / AR-15 nozzles does Airsoft Upgrades track?
We currently track 340 M4 / AR-15 nozzles across 49 retailers, starting at $1.71.