This BCA AR-10 complete .308 Slick Side rifle length upper has a 20" parkerized Heavy barrel, and features a 1:10 twist rate, with a rifle length gas system. It includes the new 15" MLOK Split Rail, an M4 flat-top 7075 billet aluminum upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a rear charging handle. This 308 upper is compatible with 1st gen DPMS low profile lowers.The Slick Side has no forward assist or dust cover for a cleaner, lighter, and simplied look.Bear Creek Arsenal manufactures all AR-10 rifles, complete upper assemblies, barrels, bolt carrier groups (bcg), and components in-house here in Sanford, NC. Choose an American-made AR-10 complete upper assembly from Bear Creek Arsenal, designed for high accuracy and backed by a lifetime warranty. Visit our YouTube channel to see our AR15s and AR10s in action and get answers to common questions about your gun. Shop more .308 Uppers!Check out Magazines here!{{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="56"}}*Note - We strive to provide the most accurate photographs of our product. Variations may occur in the skeletonized section of the handguard/flash hider you receive.{{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="42"}}It is the responsibility of the consumer to ensure all state, local, federal, and ITAR regulations are followed