US$ 99.99
Efficacy UP
Utilize 6mm Plastic Bullet
Thread: 14mm negative
NS2 / System 7 means more powerful
Insert 40mm Cartridge inside and fun to shoot (Utilize standard 40mm BB Shower such as King Arms
Guarder Charging Handle for KSC M4 GBB Category_AEP Efficacy UPAnodized Aluminum Processing. Material : Aluminum Weight : 36g Color : Black, Anodized Processing. Item No.: AR 22