The PCR-97 M4 CQB is fully licensed, trademarked, and serial numbered using Olympic Arms markings. Covered by a TSD 30-day warranty, features of the PCR-97 include the following items: Unique Serial Number Assigned Metal Receiver Metal Outer Barrel FIRSCH Style RIS Flip-up Front Sight QD Sling Mount Metal Split Gearbox Steel Gears Silicon Steel bushings Turbo 3000 Motor Also included are two (2) 450 round high capacity magazines and a 1,000rd bottle of ICS BBâ€?s. Made by ICS. Does not include battery or charger. FPS: 300-330 w/ 0.20g Rate of Fire: 920 rounds per minute Fire Modes: Semi-auto, Full-auto, Safe Hop-up: Adjustable Other items needed: Only Uses ERBAT6, ERCHARGERS, and TSD Tactical 0.20g, 0.23g, or 0.25g BB's Covered by TSD 30 Day Warranty. No refunds on this product.