The MK18 is the exact compact carbine Daniel Defense builds for USSOCOM, not a lookalike -- a 10.3‑inch cold hammer forged, chrome‑lined barrel with a carbine gas system, and the same RIS II Picatinny quad rail (with Daniel Defense's Bolt‑Up System) that's been battle‑tested and fielded by special operations units. The RIII configuration swaps in Daniel Defense's newer, lighter RIS III M‑LOK rail in place of the original quad rail, on the same SOCOM‑fielded barrel and gas system -- real weight savings without changing the ballistics that made the MK18 the standard it is.
Daniel Defense | DD4 MK18RIII | 223 Rem | 5.56 NATO | Matte
$2,682.00
DDM4 MK18RIII SBR 5.56MM BLK 02-088-10401-047
Out of stock
Shipping & Compliance
- This item is a firearm under federal law and must ship to a Federal Firearms Licensee (FFL). It transfers like any other firearm, with an ATF Form 4473 and a background check through the FFL, where state and local law allow. Some states ban or restrict this item. Buyers are responsible for compliance with all applicable federal, state, and local laws governing the purchase, transfer, possession, and transport of this item.
- Magazine capacity is restricted in certain states. We do not ship this item to states where its capacity exceeds the legal limit -- affected orders are blocked automatically at checkout.
DDM4 MK18RIII SBR 5.56MM BLK 02‑088‑10401‑047
- Model: DD4 MK18RIII
- Caliber/Gauge: 223 Rem | 5.56 NATO
- Action: Semi‑Auto
- Barrel Length: 10.3"
- Capacity: 32 + 1
- Finish: Matte
- Overall Length: 26.5" – 30"
- Weight: 5.7 lbs.
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