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Daniel Defense DDM4 MK12 5.56 NATO Rifle

The Daniel Defense DDM4 MK12 is a semi-automatic rifle built around an 18-inch cold hammer forged stainless steel barrel treated with a durable salt bath nitride finish. Its rifle-length gas system and MK12 low-profile gas block follow United States Special Operations Command specifications, while the Geissele SSA two-stage trigger supports a controlled and consistent trigger press. The DDM4 12-inch rail provides a continuous upper rail for mounting an optic and offers an extended sight radius for compatible backup sights. A Daniel Defense Improved Flash Suppressor completes the muzzle configuration.

Key features

  • 18-inch cold hammer forged stainless steel barrel with salt bath nitride finish
  • Rifle-length gas system with SOCOM-specification MK12 low-profile gas block
  • Geissele SSA two-stage trigger for a smooth, predictable trigger press
  • DDM4 12-inch rail with continuous upper rail for flexible optic mounting
  • 1:7 barrel twist optimized for stabilizing a broad range of 5.56 NATO projectiles
  • Daniel Defense Improved Flash Suppressor

The Daniel Defense DDM4 MK12 combines a precision-oriented barrel, rifle-length operating system, capable two-stage trigger, and adaptable rail platform in a proven 5.56 NATO rifle configuration.

Daniel Defense DDM4 MK12 5.56 NATO Rifle: quick facts

What caliber is the Daniel Defense DDM4 MK12 5.56 NATO Rifle?
It is chambered in 5.56 NATO.
How many rounds does it hold?
20+1 rounds.
How big and heavy is it?
Barrel length 18 inches, overall length 35.25 inches, weight 7.62 pounds.
What kind of action does it use?
Semi-Automatic.
Is it optic ready or threaded?
Optic ready: Yes; threaded barrel: Yes.
What sights and finish does it have?
finish: Black.
Is it new or used?
New, in the original packaging.
Can I buy it in Connecticut?
Yes. It ships to a licensed FFL dealer in Connecticut; you pick it up there after the background check. Connecticut buyers need a Long Gun Eligibility Certificate or pistol permit, and the Connecticut dealer will only transfer rifles and shotguns that are legal under the state's assault weapon law.
Is it in stock?
Yes, at $2838.19. Orders leave within 1-2 business days; shipping is free over $999.

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