The Advanced Armament Corp MPW 300 ACC Blackout is a suppressor ready tactical rifle. At the heart of the design is premium components that really set the rifle apart from other AR-15's on the market. This gas impingement gun features a 16" 1:7 twist barrel that has been nitrided to provide extreme corrosion resistance and to have a long life. The muzzle includes an AAC 51 tooth BLACKOUT flash suppressor. The Advanced Armament Corp MPW 300 has a free floating URX III forend that helps maintain accuracy while providing Picatinny attachment points for the mounting of accessories. There has also been a base layer of high phosphorous of electroless nickel applied to the fire control group to ensure extreme corrosion protection. A properly staked carrier key with a Permatex gasket seal compound ensures no gas leakage. The Geissele 2-stage trigger is excellent for accuracy and reliability. Designed for fast action, the Magpul MOE stock and pistol grip provide greater control and handling.