Specially designed with BB Latching System to prevent dropping BBs after removing the magazine

345 FPS w/

but your budget is limited

This hopup is equipped with 3 O-rings as well as 3 Compression Springs on the top

PolarStar Fusion Engine Nozzle G36 (Blue) hk45 Specially designed with BB LatchingThe air nozzles for the Fusion Engine come in up to 6 different colors which identify how much the nozzle restricts air flow out of the engine. The Fusion Engine has an approximate 60 100fps window of adjustment depending on the barrel length being used. This is accomplished by adjusting your regulator output pressure within the 80 120psi operating range of the engine. Changing the nozzle allows you to shift the velocity range of your rifle up or down