Barra 400e Polymer Full Auto BB Rifle Automatic electric gun (AEG) Full-auto/semi-auto Uses .177 caliber steel BBs Polymer upper, lower, handguard, and faux suppressor 50-round magazine Over 1000 shots per charge Approximately 550 rounds per minute Max. velocity: 430 FPS Textured AR-style pistol grip Manual safety Picatinny optics rail Flip up front post sight Flip up windage-adjustable rear peep sight Custom 6-position adjustable stock M-LOK accessory slots on sides and bottom of handguard Quick-disconnect sling mount Combo Includes battery, balanced charger, and speed loader Barrel length: 18" Overall length: 32.5" Weight: 5.2 lbs.