Armalite BAT10: The BAT10 uses a double-lapped, chrome-lined/chrome moly barrel for extreme durability and accuracy. A 20-round Magpul Pmag is included. It is equipped with a flash suppressor muzzle device, and MOE M-LOK Hand Guard. The upper and lower receivers are made from forged 7075-T6 Aluminum, and has a front sight base of MIL-STD 1913 Rail Gas Block.