Fucile Robinsons Armament Xcr-L Entry Level Socom GearMuzzle Velocity (0. 20g): approx. 380 fps (1. 35 Joule) The mentioned value has been measured by ourselves and will be frequently remeasured. Variations of + 10% or more are possible A battery is included. A battery charger is not included. Hop Up: Adjustable Shooting Mode: Semi and full automatic Magazine capacity: 300 rds Length: 920 mm Length (folded): 810 mm Inner barrel length: 363 mm Caliber: 6mm Gearboxversion: 2