Which parts fit your gun?
Airsoft parts are platform-specific, so the first question before any upgrade is always whether the part physically fits your gun. These free finders match your exact platform to the magazines, hop-up buckings, inner barrels, nozzles and hop-up units that fit it, and check whether your gun is field-legal on FPS. Pick a finder below, match your gun, then compare live prices and stock across every retailer we track.
Magazine Finder
Which magazines fit your gun, and which platforms share the same mag.
Bucking Finder
Which hop-up bucking fits your gun, matched by platform and hardness.
Inner Barrel Finder
Which inner barrel length and bore fits your gun.
Nozzle Finder
Which nozzle fits your gun, with AEG lengths matched in millimetres.
Hop-Up Unit Finder
Which hop-up chamber fits your gearbox and platform.
FPS & Field-Limit Checker
Check whether your gun is field-legal on FPS and joules.

Which hop-up bucking fits your gun?
Pick your hop-up chamber standard and instantly see every compatible bucking, then compare live prices and stock across every retailer we track.
- Fitment grouped by hop-up chamber standard
- AEG, gas pistol, VSR and GBBR buckings
- Live prices from every retailer we track
Which inner barrel fits your gun?
Pick your gun's hop-up cut, read the correct length for your platform, then filter by length and bore and compare live prices across every retailer we track.
- Matched by hop-up cut and length in mm
- AEG, gas pistol, VSR and GBBR inner barrels
- Filter by length and bore, compare live prices


Which nozzle fits your gun?
Pick your platform and see every compatible nozzle. On AEGs, read the correct length for your gearbox, then compare live prices and stock across every retailer we track.
- AEG, gas pistol, GBBR and HPA nozzles
- AEG air nozzles matched by length in mm
- Compare live prices across every retailer we track
Which hop-up unit fits your gun?
Pick your platform and see every compatible hop-up unit and chamber, then compare live prices and stock across every retailer we track.
- AEG and gas pistol hop-up units and chambers
- Grouped by the platform each unit is built for
- Compare live prices across every retailer we track

Frequently asked questions
What does fitment mean in airsoft?
Fitment is whether a part physically fits your specific gun. Airsoft parts are platform-specific: a magazine, bucking, inner barrel, nozzle or hop-up unit made for one platform will not automatically fit another. These finders match your exact gun to the parts that fit it, so you buy the right part the first time.
How is fitment different from an upgrade recommendation?
Fitment answers "will this part fit my gun?". An upgrade recommendation answers "which part should I buy to get more performance?". Start with fitment to narrow down the parts that physically fit, then use the Upgrade Finder or the Builds tools to decide which of those parts to buy.
Are these fitment finders free?
Yes. Every finder on this page is free to use. Match your gun, see the parts that fit, and compare live prices and stock across every retailer we track.

