Brand new in the box. Test fired perfectly, zero issues. Features Durable full metal aluminum alloy construction Licensed Taran Tactical replica with full engraved markings on upper & lower receivers as well as the magazine 13" M-LOK handguard w/ 2x Picatinny segments for mounting grips, lights, lasers & other accessories Uninterrupted top Picatinny / 1913 rail for optics Taran Tactical-licensed 300rd polymer hi-cap magazine with extended baseplate 3 port muzzle brake to match the real TR-1 ultralight Ergonomic motor grip for additional comfort 6 position adjustable crane-style stock with plenty of battery space and QD sling swivel mounts on either side Flip-up front and rear iron sights Manufacturer: 6mmProShop. OEM: Double Bell (Under Licensed by TTI) FPS Range: 370-390 Specifications: Length: 800mm - 920mm (Adjustable) Weight: Approx. 2700g Inner Barrel: Approx. 375mm Magazine: 300rd Hi-Cap. Works with Matrix, G&G, Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG Magazines Thread Direction: 14mm Negative Gearbox: Ver. 2 8mm, Fully Upgradeable Motor: Long Type Fire Modes: Semi/Full-Auto, Safety Muzzle Velocity: ~1.34 Joules (tested with .20g BB) Battery: 11.1v Small Buffer Tube Type LiPo recommended (Battery not included. Wired to buffer tube w/ Small Tamiya Connector) Hopup: Yes, Adjustable Package Includes: Gun, Magazine, 2x M-LOK Segments Optic is not included