This Bear Creek Arsenal AR-15 5.56 NATO Complete rifle has a 16" M4 barrel with a stainless finish, and features a 1:8 twist, with a carbine length gas system. This 5.56 NATO AR-15 also includes a 15" MLOK rail, a billet upper receiver, a BCA AR15 Bolt Carrier Group, Flash Hider, rear charging handle, and mil-spec billet AR-15 multicaliber lower. Shop more 5.56 NATO 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"}}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.