*30% less weight with BCA Talon split rail than regular MLOK !This BCA AR-15 complete 12.7x42 rifle length upper has an 18" parkerized heavy barrel and features a 1:20 twist rate with a mid-length gas system. It includes the BCA Talon 15" MLOK split rail, an M4 flat-top 7075 billet aluminum upper receiver, a BCA AR15 bolt carrier group, a flash hider, and a right side charging handle Gen 2 (Patent Protected). This 12.7x42 is compatible with any mil-spec AR-15 lower.Shop more 12.7 x 42 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.{{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="42"}}