This Bear Creek Arsenal side charging AR-15 5.56 Complete rifle has a 16" M4 barrel with a parkerized finish, and features a 1:7 twist, with a carbine length gas system. This side charging 5.56 AR-15 also includes a 15" MLOK rail, a billet upper receiver, a BCA AR15 Bolt Carrier Group, Flash Hider, side charging handle (Gen 2, patent pending), and mil-spec forged AR-15 multicaliber lower.Shop more 5.56 NATO Rifle!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"}}Must be 18 years of age or older to purchaseWe 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.