*30% less weight with BCA Talon split rail than regular MLOK !This Bear Creek Arsenal AR-15 5.56 NATO Complete upper has a 16" black nitride M4 barrel, and features a 1:7 twist, with a carbine length gas system. This 5.56 NATO AR-15 also includes the BCA Talon 15" MLOK split rail, an M4 flat-top 7075 billet aluminum upper receiver, a BCA AR15 Bolt Carrier Group, Flash Hider, right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper will work on a mil-spec AR-15 multicaliber lower. !Shop more 5.56 NATO 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"}}