Bushmaster offers the premier AR-style platform in America, and the MOE M4 Type Carbine offers an upgrade in performance and usability with Magpul Original Equipment. This model features a 16" barrel that is chrome-lined in the bore and the chamber, an MBUS rear flip sight, an MOE adjustable stock with strong A-design and rubber butt pad, a 30-round PMAG, and an MOE pistol grip that accepts MIAD storage cores.