This BCA AR-15 Complete 350 Legend pistol length upper has a 10.5" heavy contour barrel with a parkerized finish, and features a 1:16 Twist Rate, with a pistol length gas system. It includes a 9.5" MLOK rail, an M4 flat-top billet upper receiver, a BCA Bolt Carrier Group, a Flash Hider, and a Side Charging (Gen 2) Handle (patent pending). 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"}}