BCM Standard Midlength Enhanced Lightweight Fluted Upper Receiver Group MCMR-15 16" 5.56 NATO

Whether you're a high-volume AR shooter or love to build your rifles from scratch, the Bravo Company Manufacturing Standard Mid Length Enhanced Light Weight Fluted Upper Receiver Group - MCMR-15 Handguard offers quality MIL-SPEC features ideal for all shooters. The USGI twist rate of 1/7 is versatile and offers compatibility with heavier 5.56 ammo for superior ballistics. The barrel extension and upper receiver have a USGI modification that makes the feed ramp longer and steeper for increased reliable feeding. Features: 5.56 NATO chamber 16" Mil-B-11595E steel barrel Cold hammer-forged barrel Manganese phosphate barrel finish M4 feed ramp barrel extension T-marked upper receiver USGI 1:7 twist rate Chrome bore and chamber 3" Picatinny rail section BCM MCMR sling mount