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This allows you to reduce the movement of the trigger after the hammer is fallen
The Hopup Chamber M4A unit is designed to accept 21
Compatible accesories :
at bottom and in center of housing to ensure the hopup unit is exactly centered
lightweight
AirTac Customs Aluminum M4 Body Pin RIFLE This allows you to reduceThe AirTac Customs Flux Body Pins are here! We changed the game with our colorful CRBN uppers, but now it's time to customize the rest of the gun. Welcome to AirTac Customs' next generation of aluminum rifle parts! The Flux body pin is our replacement for the stock tension based pin in any M4 pattern lower. This durable 2 piece screw design ensures that your pins won't be going anywhere while providing a beautiful CNC accent! Give your rifle some