This BCA AR-10 complete .308 rifle length upper has a 22" 416R stainless steel light-weight barrel with straight flutes, and features a 1:10 twist rate, with a rifle length gas system. This upper features our lightweight barrel profile which reduces weight by 1 lb. over traditional contours. It includes a 15" MLOK split rail, an M4 flat-top billet upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a right-side charging (Gen 2) handle (patent protected). This 308 upper is compatible with 1st gen DPMS low profile lowers. 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.