New in box Daniel Defense MK18 10.3" Complete Upper in 5.56/223 with Black RIS II! Comes factory new in box with charging handle and bolt carrier group!

Ships direct where legal, non restricted states. This is not legal in Washington state. IF paying by credit card, will ship to billing address only.

The MK18 AR15 style Upper Receiver Group is unmatched in size, weight, and performance, and features the picatinny quad rail Daniel Defense provides to USSOCOM. The RIS II rail features a Bolt-Up System that has been rigorously tested prior to fielding by USSOCOM. The 10.3 inch Cold Hammer Forged barrel is the same length in use for the MK18 upper most commonly used for CQB operations. Its independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group.

NFA DISCLAIMER

Once this part is assembled into a complete firearm, non pistol lower it becomes a regulated item “Short barreled Rifle SBR” 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.

Please allow 2-4 business days for items to ship once payment and FFL are received.

Give us a call, stop by our shop, or email us with any questions! You can also purchase online anytime at can be emailed, faxed or mailed to us. Please reference your name and the item number to prevent any delays in shipping.

Long guns and accessories ship UPS Ground. Handguns are shipped USPS priority mail.

Once payment and FFL are received we will email you a tracking/delivery confirmation number.

NO CREDIT CARD FEES!

Serial numbers will vary.

Daniel Defense MK18 10.3" BLK URG RIS DD complete Upper 5.56 223 AR15 New