Item Weight (gram) 3065 Major Color BK Length 519mm / 710 ~ 767mm (Adjust in 6 Step) Barrel Length ~230 Blow Back Yes Hop-up Adjustable Shooting Mode Semi/Fully Automatic Magazine Capacity 30 Rounds Bullet Type 6mm BB Pistol Power Source HFC134a & HFC22 Gas Power (Muzzle Velocity) 380FPS (Top Gas Test @ 25°C Room Temperature)