Free shipping over $999 · Rifles and pistols ship to the FFL dealer you chooseNew arrivals listed by date · independent storeFind your city · Shipping & FFL
Home / Shop / Pistols
Daniel Defense MK18 MK18 RIII 5.56 NATO Flat Dark Earth Pistol

The Daniel Defense MK18 RIII pistol is a compact 5.56 NATO firearm built around the proven MK18 configuration. It features a 10.3-inch cold hammer forged barrel, a Flat Dark Earth finish, an ambidextrous RIII lower receiver, and a free-floating RIS III rail for consistent accessory mounting. The semi-automatic direct-impingement action supports familiar AR-style controls, while the threaded muzzle accommodates compatible devices. An optics-ready Picatinny top rail and standard sights provide flexible aiming options for close-range use.

Key features

  • 10.3-inch cold hammer forged barrel balances compact handling with 5.56 NATO performance
  • RIS III free-floating rail provides a stable platform for lights, lasers, and other accessories
  • Ambidextrous RIII controls support convenient operation from either shoulder
  • Threaded 1/2x28 muzzle accepts compatible muzzle devices
  • Optics-ready Picatinny rail supports a wide range of sighting systems
  • Includes a 32-round magazine and polymer pistol grip

The Daniel Defense MK18 RIII delivers compact, configurable 5.56 NATO performance in a factory Flat Dark Earth pistol package.

Daniel Defense MK18 MK18 RIII 5.56 NATO Flat Dark Earth: quick facts

What caliber is the Daniel Defense MK18 MK18 RIII 5.56 NATO Flat Dark Earth?
It is chambered in 5.56 NATO.
How many rounds does it hold?
32+1 rounds; magazines included: 1.
How big and heavy is it?
Barrel length 10.3 inches, overall length 27.9 inches, weight 5.7 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?
Sights: Standard Sights; finish: Flat Dark Earth.
Is it new or used?
New, in the original packaging.
Can I buy it in United States?
Yes. It ships to a licensed FFL dealer in United States; you pick it up there after the background check. Handguns ship to a licensed FFL dealer only, and the buyer must be at least 21 and pass a background check at pickup; some states add a permit or waiting period.
Is it in stock?
Yes, at $2469.04. Orders leave within 1-2 business days; shipping is free over $999.

Similar pistols in stock

Shop all →