Brand new with box. Opened and test fired. Features: Utilizes the Western Arms gas blowback system ensuring reliable performance with a plethora of aftermarket parts and accessories Polymer receiver Flip up irons Integral suppressor Adjustable SOPMOD type stock 13” Delta MLOK rail FPS Range: 340-380 Length: 765mm-855mm, Adjustable Weight: 3300g Inner Barrel: ~363mm Magazine Capacity: 50rds Uses Matrix, G&P, Western Arms, King Arms, Inokatsu, and compatible magazines. Thread Direction: 14mm Negative Package Includes: Gun, mag, flip up irons, unjamming rod, manual, mock suppressor Hopup: Yes, Adjustable (under front rail after removed)