Built for compact AR-15 configurations, this 7.5-inch 5.56 NATO complete upper is geared toward close-range use where maneuverability matters. It pairs a 1:7 twist barrel with a 7-inch M-LOK handguard, nitride-finished bolt carrier group, and standard charging handle for a ready-to-mount setup that fits Mil-Spec AR-15 lower receivers. Features 7-inch M-LOK handguard Nitride-finished bolt carrier group included Standard charging handle included Built to Mil-Spec standards Made in the U.S.A. Specifications Caliber: 5.56 mm NATO Barrel Length: 7.5 in. Barrel Profile: Medium