WE M4A1 GBBR BK OB V3

*****Pre-order first*****!!!!Pre-order first!!!!!^^^^^Pre-order first^^^^^ !!!! ETA arrive at the end of April !!!! Item Weight (gram) 3055 Major Color Black Length 770mm / 850mm (Extended) Barrel Length ~340mm 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) 400FPS (Top Gas Test @ 25°C Room Temperature)