This BCA AR-15 complete 7.62x39 rifle length upper has a 16" 416R stainless steel heavy barrel, and features a 1:10 twist rate, with a carbine length gas system. It includes a 15" 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 7.62x39 upper is compatible with any mil-spec AR-15 lower.This upper features a 7.62x39 enhanced firing pin for increased reliability for steel cased ammo and upgraded bolt.Shop more 7.62 x 39 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"}}