Rocket Airsoft M4 Metal Hopup Chamber Set Factory Replacement Parts (OEM) Kit includes the cylinder and

Kit includes the cylinder and cylinder head assembly

plastic spring guides

CVPCVXC2963B

This vest is perfectly sized for kids or smaller adults to wear

optimized for strong and suitable grip under even adverse conditions

Rocket Airsoft M4 Metal Hopup Chamber Set Factory Replacement Parts (OEM) Kit includes the cylinder andRocket Airsoft Full M4 Metal Hopup Chamber Kit SHS TT0083 Comes with all the internal parts needed to operate (adjustment wheel, hopup arm, nub, etc.). CNC Easton 7075 Aluminum construction made. Surface treated for anti oxidation. Newly redesigned in March 2015 to improve the original SHS model to prevent loosening. Very durable and accurate in its bb feeding system. Replaces your original hop up chamber with an easy install. For use with any M4