WE PX4 Bulldog Green Gas Blow Back Pistol Black, WE PX4 Bulldog Green Gas Blow Back Pistol Black (Real Gun Size and Weight) Quick Overview WE PX4 Bulldog Custom Gas Blow Black GBB Pistol -- Full Metal Slide & Outer Barrel -- Nylon Fiber Frame With 20mm Under Rail -- (Black Slide and Black Color Frame) / Adjustable Hop up Version Product Description WE PX4 Bulldog Custom Gas Blow Black GBB Pistol 1/1 Scale High Performance Assembled Full Metal Slide & Outer Barrel Item Weight (gram) 900 Major Color Black Length 192mm Barrel Length ~90.5mm Blow Back Yes Hop-up Adjustable Shooting Mode Fully-Automatic Magazine Capacity 25+1 Rounds Bullet Type 6mm BB Pistol Power Source HFC134a & HFC22 Gas Power (Muzzle Velocity) 320 FPS (Top Gas Test @ 25°C Room Temperature) Package Includes WE PX4 Bulldog Custom Gas Blow Silver GBB Pistol 25 rounds Magazine