Ships to FFL
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 Connecticut?
- Yes. It ships to a licensed FFL dealer in Connecticut; you pick it up there after the background check. Connecticut buyers need a pistol permit or Handgun Eligibility Certificate, and the Connecticut dealer will only transfer this model if it and its magazines (10 rounds or fewer) are legal in Connecticut.
- Is it in stock?
- Yes, at $2469.04. Orders leave within 1-2 business days; shipping is free over $999.
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