Durable full metal receiver construction Fully licensed by Strike Industries with engraved trademarks Strike Industries licensed GRIDLOK LITE handguard Top 1913 Picatinny RIS & M-LOK slots @ 3, 6, 9, & 12 o'clock positions for mounting grips, lights, lasers, & other accessories QD sling swivel mounting slots on either side of the handguard & stock Equipped with a Strike Industries licensed CNC machined adjustable "Pit" stock Enhanced Strike Industries trigger, trigger guard, selector switch, magazine release, forward assist, & bolt catch Ergonomic pistol grip for extra comfort Flip-up front and rear iron sights Specifications: Length:  750mm Weight:  2460g Inner Barrel:  ~369mm 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 Hop-Up:  Yes, Adjustable Package Includes:  Gun, Magazine