Daniel Defense DD4 MK18RIII-NM SBR, 5.56 NATO

The Daniel Defense DD4 MK18RIII-NM (brand part no. 02-088-00319-067) is a 5.56 NATO short barrel rifle built to the MK18 configuration derived from the USSOCOM Close Quarters Battle Receiver program. Daniel Defense builds the MK18RIII-NM to that same compact-barrel heritage, favoring shooters who want a proven, mil-heritage close-quarters SBR platform.

Key Specifications

• Chambered in 5.56 NATO.
• Built to the MK18 configuration, derived from the USSOCOM CQBR program.
• Operates as a semi-automatic rifle.

Frequently Asked Questions

Is this an NFA item? Yes. As a SBR, it’s a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What is the MK18 configuration? A compact-barrel SBR configuration derived from the USSOCOM Close Quarters Battle Receiver program.

Buy the Daniel Defense DD4 MK18RIII-NM SBR

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through Daniel Defense‘s short barrel rifles lineup and our Lubbock, Texas team will walk you through the transfer process.