BCM MK2 5.56 NATO Upper Receiver Group MCMR-15 16" FDE

Upper and handguards are painted in FDE Cerakote. As with any paint process color variations will occur from batch to batch. Manufactured by Bravo Company MFG, Inc. (BCM) These Barreled Upper Receiver Groups are designed for shooting professionals and responsible civilians with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test fired. Featuring BCM's Patent Pending MK2 Upper Receiver This proprietary design offers enhanced rigidity over the USGI product. The increased rigidity limits barrel deflection which aids in consistency/accuracy. Less flex also reduces premature damage, wear, and failure of bolt lugs from misalignment. A gas expansion chamber is machined above the charging handle track, combined with dual vents machined at the rear (each side, above charging handle latch) help to redirect and vent gas away the shooters face. M4 Feed Ramp Barrel Extension and Upper Receiver In developing the USGI M4 carbine as one of the primary we