Airsoft Upgrades

4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series

Brand: 4UADCategory: GBBR Buckings & Nubs2 retailers

Price: $65.03 – $65.04 — In stock at 2 retailers.

Prices last checked July 29, 2026 across 2 retailers.

High-quality aluminum for durability and performance. Designed to maximize accuracy and consistency. Compatibility: VFC AR / M4 GBB Series, GHK AR / M4 GBB Series Installation: Works with GHK AR GBB systems without the included spacer and VFC AR GBB systems with the spacer. Compatible with the Marksman K1A GBB that utilizes the VFC AR GBB Hop Up system. ***** Not compatible with VFC / Umarex HK416D / HK416A5 GBB models.

4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series price comparison: the lowest price is $65.03 at Boomarms, the highest is $65.04, and the median across 2 tracked listings is $65.03.

Powerplant: GBBR

Fits models: WA-pattern / GHK

Compatible with: M4/AR

Which buckings fit GBBR? Compare fitment & degrees →

Where to buy the 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series: prices at 2 retailers

  • Boomarms: $65.03 — In Stock
  • JK Army: $65.04 — In Stock

Frequently asked questions about the 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series

How much does the 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series cost?
The 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series ranges from $65.03 to $65.04 across 2 retailers. The lowest current price is at Boomarms. Prices are updated regularly from each store's live catalog.
Where can I buy the 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series?
The 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series is currently in stock at 2 retailers including Boomarms, JK Army. We track availability across 2 airsoft stores and update stock status regularly.
What is the 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series compatible with?
It is designed for GBBR platform and fits WA-pattern / GHK model.
Is the 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series a good gbbr buckings & nubs upgrade?
The 4UANTUM Magnus Pro Precision TDC Hop Up Chamber Set ( Knob Adjustment ) For VFC / GHK AR M4 GBB Series by 4UAD is listed in our GBBR Buckings & Nubs category and is priced from $65.03. We aggregate prices from 2 retailers so you can compare and find the best deal. Check the price comparison table above for current pricing from each store.

More GBBR Buckings & Nubs parts to compare