11" aluminum handguard is free-2oated for accuracy and features Magpul M-LOK accessory attachment slots along the 3:00, 6:00 and 9:00 positions with additional slots on the angled faces near the muzzle. Flat top upper receiver features a Picatinny rail for easy attachment of magniIed optic, red dot or open sights. Made from 7075-T6 hard-coat anodized aluminum forgings, shot-peened and proof-tested 9310 steel bolt, and 8620 steel bolt carrier. The inside diameter of the carrier and gas key are chrome plated and the key is staked for longevity.