6mmProShop Strike Industries Licensed "Sentinel" M4 Airsoft AEG Rifle by E&C (Color: Flat Dark Earth / 7" GRIDLOK LITE / 350FPS)

Specifications: Length: Approx. 565mm Weight: Approx. 2040g Inner Barrel: Approx. 210mm Magazine Capacity: 300rd Polymer Hi-Cap. Works w/ Tokyo Marui, Matrix, G&P and other compatible M4 / M16 Series Airsoft AEG Magazines Gearbox: Ver 2 Full Metal Motor: Long Type Thread Direction: 14mm CCW (Negative) Fire Modes: Semi/Full-Auto, Safety Battery: 7.4v LiPo Battery Recommended (Wired to buffer tube w/ Deans connector) Hop-Up: Yes, Adjustable Package Includes: Gun, Magazine