The BCA AR-10 Complete Upper Assembly has a 24" 416R Stainless Steel light-weight barrel, a rifle length gas system, and a 1:8 twist rate. This upper features our lightweight barrel profile which reduces weight by 1 lb. over traditional contours. The barrel is chambered in .243 and is Mil-Spec DPMS Low Profile. The assembly includes a 15" MLOK Split Rail, a forged upper receiver with forward assist, bolt carrier group, flash hider and a rear charging handle.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"}}{{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="159" type_name="CMS Static Block"}}