VISM by NcStar KeyMod Hand Stop fore grip this air chamber is mechanically

this air chamber is mechanically sealed off from the supply and the chambers contents released down the barrel to propel the BB

36 kg] Special Features: Heavy duty construction with polymer casing Functional cocking handle with realistic bolt movements Retractable shoulder stock Threaded barrel Semi and Full Auto selective fire Front sling loop Package include: SMG Pistol(1)

CCW threaded on both ends

45 degree ambidextrous selector

VISM by NcStar KeyMod Hand Stop fore grip this air chamber is mechanicallyKeyMod Hand Stop, designed to mount ontoKeyMod handguards. Ergonomic shape, suitable for many different gripping techniques. Textured surface to provide slip resistant grip. Reversible, can be mounted in either direction. Mounts onto handguard via one KeyMod feet. Hand stop covers 3 KeyMod slots. Black anodized aluminum construction Mounting tool included