WE Double-Barrel 19 SV

Hop-up Adjustable Shooting Mode Semi-Automatic Blow Back Yes Power (Muzzle Velocity) 360 FPS (Top Gas) Power Source TOP / Green Gas (HFC22) Co2 134A Gas (HFC134a) Bullet Type 6mm BB Magazine Capacity 20+1 Rounds Major Color Black Length 185mm Airsoft Note All GBB / Pistol are tested before ship out. When we test any guns, tiny scratch cannot be avoided.