Sharps Bros Licensed "Jack" Takedown Model M4 Quick Takedown, rapid detach front end Motor: ARES Long Type High Torque Gearbox: ARES EFCS Version 2 Hop-up: Adjustable Battery: 7.4 LiPo, not included M-LOK handguard Folding stock Rubberized slip-resistant pistol grip One-piece, non-leaking stainless steel cylinder Picatinny Rail 140 round magazine Inner barrel length: 7.87" Weight: 4.58 lbs Length Assembled, folded: 17.5" Length Unfolded: 24" Length Extended: 27.5