The Daniel Defense MK12 (DDM4 MK12 SPR) is an 18″ modern sporting rifle chambered for 5.56mm NATO / .223 Rem designed for precision-focused range use, duty, and competition. Built around a cold‑hammer‑forged stainless steel barrel and a rifle‑length direct impingement gas system, the platform ships with a free‑floating rail for mounting optics and accessories and ergonomic Daniel Defense furniture. Intended for shooters who prioritize accuracy and modularity in a semi‑automatic AR‑pattern carbine.
Key Specifications
- Caliber / Chambering: 5.56mm NATO / .223 Rem — listed in source materials.
- Barrel Length: 18″.
- Twist Rate: 1:7″.
- Operating System: Rifle‑length direct impingement (semi‑automatic).
- Gas System Length: Rifle‑length.
- Thread Pitch / Muzzle threads: 1/2×28 TPI.
- Handguard interface: Conflict — verify: DDM4 12.0 Picatinny quad rail / MFR 9.0 M‑LOK.
- Overall Length: Conflict — verify: 37.5″ / 43.2″ / 34 3/4″–37 7/8″.
- Weight: Conflict — verify: 6.5 lbs / 7.41 lbs / 7–7.99 lbs.
- Finish / Coating: Conflict — verify: Salt bath nitride / DLC / Black phosphate.
The MK12 platform includes Daniel Defense furniture, an improved flash suppressor and a two‑stage Geissele trigger noted in source materials, and ships in a full‑latch Daniel Defense plastic case with at least one Daniel Defense magazine listed. Provided source data shows one or more spec conflicts — verify details before publication. For final spec confirmation, reference the manufacturer’s website. Gundalorians… gear up.
*All Suppressors, Silencers, SBR’s, Machine Guns, and any other NFA regulated items require NFA Forms, Fingerprints, and the $0 Tax Stamp. NFA Rules subject to change.
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