Daniel Defense is well known for building some of the finest AR-15 rifles and uppers available in today's market, and the DD MK18 is no exception to that rule. This modern sporting rifle upper is chambered in the ultra popular 5.56 NATO cartridge. Built on a carbine length gas system this direct impingement gas operated semi auto upper is a real gem. Featuring a 10.3" Government profile barrel, 7075-T6 Aluminum upper and steel gas block, this upper is ready for whatever you can throw at it. Along with the quality control process that Daniel Defense is known for and you have yourself a winner. This model features Daniel Defense's new RIII M-Lok rail

NFA DISCLAIMER This firearm may be a regulated item by the National Firearms Act (NFA). Please check with your local and state municipalities for any further regulatory requirements. It is the buyer's responsibility to make sure they comply with all NFA rules and applicable laws.