Bushmaster offers the number one AR-style platform in America, now enhanced with Magpul original equipment. Featuring a 16" barrel that is chrome-lined in both bore and chamber, Magpul MBUS rear flip sight, the Magpul MOE adjustable buttstock with strong A-frame design and streamlined look, and theMagpul MOE pistol grip that accepts MIAD storage cores, 30-round PMAG.