This BCA AR-15 Complete 350 Legend rifle length upper has a 18" heavy barrel with a 416R stainless steel finish, and features a 1:16 Twist Rate, with a Carbine length gas system. It includes the new 15" MLOK Rail, an M4 flat-top forged upper receiver, a BCA Bolt Carrier Group, a Flash Hider, and a rear Charging Handle. This 350 Legend upper is compatible with any mil-spec AR-15 lower.Shop more .350 Legend Uppers!Magazine not included. 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.Disclaimer: BCA 350 Legend is susceptible to jamming on lowers not manufactured by BCA and certain ammo and magazines.{{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.