Monk Customs Outer Barrel 'Helix' had the same as our renowned

the same as our renowned Trigger Spring

This exclusive service is available as an add-on to the AAP-01

providing a distortion and fog-free field of vision regardless of the weather

and dual modes - this tracer unit is sure to add a new level of realism and fun to your battle

Boost the performance of your AAP-01 GBB Airsoft with our TTI AIRSOFT Adjustable Power Nozzle Valve

Monk Customs Outer Barrel 'Helix' had the same as our renownedThis is Monk's latest addition to the world of M4 Outer Barrels. The unique and stylish twisted helix design stands out beautifully, especially when used in combination with a Monk style skeletonized hand guard! The clever O ring addition makes sure the inner barrel is always positioned in the center of the Helix Outer Barrel and sits tight!