Colt M4 CQB Full Metal AEG, Black, Box: * Semi and full automatic electric powered softair * 1-piece metal outer barrel * 1-piece metal upper receiver * 1-piece metal lower receiver * Steel gears and metal gear box * CNC machined RIS handguard * Metal magazine 350 BBs for extended play * Removable metal rear sight * Adjustable BAXS accuracy system * Adjustable stock for all shoulder/arm fits * NIMH battery and charger included * Velocity with 0.12 g BBs: 453 FPS * Velocity with 0.20 g BBs: 361 FPS * Energy: 1.2 Joules * Maximum range: 64 yds * Operation mode: AEG * Magazine capacity: 350 BBs * Shooting system BAXS