Maxx Model Hop-Up and Adjuster Set M4T for TM MWS M4 GBB

Price: $89.00 – $150.85 — In stock at 6 retailers.

Prices last checked August 21, 2026 across 6 retailers.

Features Machined from a solid aircraft aluminum block with tight tolerances to achieve the most accuracy, consistency, and durability Performed accurately and consistently for Tokyo Marui MWS M4 Gas Blowback Airsoft Rifle Precision Rotary Dial Knob with a number indicator for precise hopup adjustment Adjustable Bolt Stopper to mitigate the Bolt Carrier bounce to eliminate double feeding Compatible with most GBB Rubber Buckings without losing FPS or dropping BBs ensuring the BBs shooting accurately and consistently on every single shot Equipped with the Aluminum Locking C-Clip and Taper Locking Sleeve to keep the Inner Barrel securely in place without wobbling and twisting Re-engineered the Dual-Arm-Control system to the Single-Arm-Control system (PATENT PENDING) which allows the system to work precisely and accurately without unnecessary oscillations and instability Removable steel pivot pin for ease of setup and maintenance CNC Aluminum Hopup Chamber/Adjuster M4T set is precisely machined from a solid Aluminum block to perform accurately and consistently for Tokyo Marui MWS M4 Gas Blowback Airsoft Rifle. The Hopup Adjuster M4T unit is built with a unique Rotary Dial Knob, a number indicator for precise hopup adjustment, and to prevent shifting under vibration. The Bolt Stopper/Damper is also adjustable to mitigate the Bolt Carrier bounce to eliminate double feeding of BBs. The Hopup Chamber M4T unit is fully compatible with most GBB Rubber Buckings without losing FPS or dropping BBs ensuring the BBs shooting accurately and consistently on every single shot. The Hopup Chamber M4T unit is also equipped with the Aluminum Locking C-Clip and Taper Locking Sleeve to keep the Inner Barrel securely in place without wobbling and twisting. More than that, the Hopup Chamber/Adjuster M4T system is wisely designed and controlled by a Single-Arm-Control (PATENT PENDING) which allows the system to work precisely and accurately without unnecessary oscillations and instability on

Maxx Model Hop-Up and Adjuster Set M4T for TM MWS M4 GBB price comparison: the lowest price is $89.00 at eHobby Asia, the highest is $150.85, and the median across 6 tracked listings is $106.62. Comparing retailers can save up to 41% ($61.85) versus the highest-priced listing.

Compatible with: M4/AR, TM MWS

See all TM MWS magazines & fitment →

Which buckings fit GBBR? Compare fitment & degrees →

Which inner barrel fits GBBR? Compare length, bore & prices →

Which nozzle fits GBBR? Compare fitment & prices →