PolarStar - Fusion Engine Nozzle for M4 (Green: 313-363 FPS) kwa This HK Is Lipo Ready

This HK Is Lipo Ready and can accept 7

ARES/EF M4/M16 Rifle Hi-Cap Magazine (300rnds) Tan

A retention strap ensures easy removable of the magazine and a sturdy hold so it doesn't fall out

The best part is that our system is extremely user friendly

principal and directly mount to the CMR with threaded fasteners making them easy to install and modify to customize your rifle for your shooting needs

PolarStar - Fusion Engine Nozzle for M4 (Green: 313-363 FPS) kwa This HK Is Lipo ReadyThis series of Fusion Engine air nozzles allows you shift the velocity range of your rifle up or down to best meet your requirements. Nozzles are easy to install and typically take less than 5 minutes to change out on most models from start to finish. Each nozzle is machined from aluminum and comes with both the internal and external o rings. The nozzles are color coded with a hard coat anodizing for easy identification. Results with a . 20g BB using