The Daniel Defense DDM4 MK18 (Daniel Defense part no. 02-088-07327) is a 5.56mm/.223 Rem short-barrel rifle built on a 10.3-inch barrel cut with a 1-in-7-inch twist rate, finished in black. Daniel Defense ships the MK18 with a 32-round magazine and sizes it at 28.6 inches overall. The MK18 favors shooters who want Daniel Defense’s combat-proven MK18 configuration.

Key Specifications

• Rated for .223 REM/5.56 NATO ammunition.
• Wears a 10.3-inch barrel cut with a 1-in-7-inch twist rate.
• Feeds from a 32-round magazine, included.
• Measures 28.6 inches overall.
• Operates as a semi-automatic rifle.
• Finished in black.

Frequently Asked Questions

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

What twist rate does the barrel use? A 1-in-7-inch twist rate.

Buy the Daniel Defense DDM4 MK18 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.