This BCA AR-15 Complete 350 Legend rifle length upper has a 16" heavy barrel with a 416R stainless steel and black nitride finish with bear claw flutes, and features a 1:16 Twist Rate, with a Carbine length gas system. It includes the new 11.5" MLOK Rail, an M4 flat-top billet upper receiver, a BCA Bolt Carrier Group, a Flash Hider, and a right-side charging (Gen2) handle (patent protected). 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"}}{{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="98"}}{{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="91"}}{{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="42"}}