*30% less weight with BCA Talon split rail than regular MLOK This BCA AR-15 Complete .338 Arc Bolt Action Style rifle length upper has a 10.5" heavy barrel with a parkerized finish and features a 1:8 twist rate. It includes the BCA Talon 10" MLOK split rail, an M4 flat-top 7075 billet aluminum upper receiver, a BCA bolt carrier group, a flash hider, and a right-side bolt action style charger. This .338 arc upper is compatible with any mil-spec AR-15 lower. 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"}} It is the responsibility of the consumer to ensure all state, local, federal, and ITAR regulations are followed