This BCA AR-15 complete .450 Bushmaster rifle has a 18" heavy barrel with 416R Stainless Steel finish, and features a 1:24 twist rate, with a mid-length gas system. It includes the new 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, a rear charging handle, and a forged mil-spec AR-15 lower.Shop more .450 Bushmaster Rifles!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.We can ship out to your local FFL and we will help you find one close to you! Use the drop-down menu and select the radius from your zip code. If we do not have their license on file, we can help you get it by reaching out for you via email or calling them! If you do not see the FFL you want it shipped to just email us at ffl@bearcreekarsenal.com and we can add them to our options.