Comes with an unprecedented TSD 60-day Warranty and TM compatibility. Standard Features: Unique Serial Number Assigned Metal Receiver Metal Outer Barrel Reinforced Metal Gearbox Steel Gears Steel bushings SRC Ultra-torque motor M110 Spring Ported Piston Head Metal Hop-up Unit Also included are two (2) 300 round high capacity magazines. Does not include battery or charger. FPS: 330-360 w/ 0.20g Rate of Fire: 720 rounds per minute Fire Modes: Semi-auto, Full-auto, Safe Hop-up: Metal / Adjustable Other items needed: ERBAT3 or 6, ERCHARGERS, and TSD Tactical 0.20g, 0.23g, or 0.25g BB's Covered by TSD 60 Day Warranty. No refunds on this product.