This BCA AR-10 complete Slick Side .308 rifle length upper has a 20" 416R stainless steel straight fluted Heavy barrel, and features a 1:10 twist rate, with a rifle length gas system. It includes a 15" MLOK split rail, an M4 flat-top 7075 billet aluminum upper receiver, a BCA AR10 bolt carrier group, a flash hider, and rear charging handle. This Slick Slide 308 upper has no forward assist or dust cover and features the new handguard. This 308 upper is compatible with 1st gen DPMS low profile lowers.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.