Hop Spring & Hop Collar Clamp (Part No.64&522) for KWA KRISS Vector GBB Major Color_Wood Item Weight (gram) 2140 Major

Item Weight (gram) 2140 Major Color Black Length 380mm / 590mm Barrel Length ~165mm Blow Back Yes Hop-up Adjustable Shooting Mode Semi/Fully Automatic Other Power Source Gas (HFC134a or HFC22) Magazine Capacity 40 Rounds Bullet Type 6mm BB Power (Muzzle Velocity) 400 FPS (Top Gas Test @ 25°C Room Temperature) / 320FPS (HFC134a Test @ 25°C Room Temperature) Manufacturer KSC Package Includes UMAREX MP7A1 SMG Airsoft Gun (H&K Licensed)

Suitable for KSC STI Night Hawk 4

extruded aluminum 12" forend tube with four Picatinny rails

- Aluminum 360mm Outer Barrel With 80mm Flashider (Clockwise Barrel Thread)

Hop Spring & Hop Collar Clamp (Part No.64&522) for KWA KRISS Vector GBB Major Color_Wood Item Weight (gram) 2140 Major