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  1. Close Quarters Battle Receiver - Wikipedia

    Those created as complete rifles (rather than only upper receivers) are type designated as Mk 18 MOD 0/1. Special forces units utilize the CQBR for scenarios such as VIP protection, urban warfare, and …

  2. MK18 Rifle | SOCOM | 5.56 | Daniel Defense

    The Daniel Defense MK18 features the railed forend Daniel Defense currently provides to USSOCOM, and a 10.3” Cold Hammer Forged Barrel. The MK18 rail system features the patented bolt-up …

  3. What is the Mk 18? Special Operations Forces Carbine Explained

    The Mk 18 is a short-barreled variant of the M4 carbine. Chambered in 5.56x45mm NATO and features a 262mm (10.3in) barrel compared to the M4’s (14.5in) barrel. It is the weapon of choice for CQB …

  4. Daniel Defense MK18 & MK12 Rifles - EuroOptic

    Daniel Defense MK Rifles include the AR-style MK12 and MK18 rifles. The MK12 semi-automatic precision rifles were designed and manufactured to meet the needs of Special Operations Forces.

  5. The Ultimate MK18 Guide: Mastering America’s Favorite Tactical Platform

    Oct 25, 2025 · The MK18 is a specialized variant of the AR-15/M4 platform, originally developed for close-quarters battle (CQB) by the U.S. military. Its most distinctive feature is its short 10.3-inch …

  6. Daniel Defense MK18 For Sale - Omaha Outdoors

    The Daniel Defense MK18 is a compact, battle-proven rifle with a 10.3" barrel, built for reliability, precision, and performance in tight spaces.

  7. MK18 Crane Spec Series: Suppressor-Ready AR Platform – History ...

    The MK18 Crane Spec Series represents the pinnacle of suppressed-ready performance, built on a foundation of rigorous Crane Division standards and proven reliability.

  8. Daniel Defense MK18 for Sale - Best Price - In Stock Deals

    The MK18 has a 10.3-inch threaded barrel made from chrome moly vanadium steel. The cold-hammer-forged barrel features a 1:7 twist, government profile, chrome lining, and Mil-spec heavy phosphate …

  9. What is a Mk18 rifle and why should you care? - Buffalo Rifles

    The Mk18 is a short-barreled variant of the M4 carbine. It is chambered in 5.56x45mm NATO and is used by the United States Special Operations Command. The Mk18 is a lightweight and compact …

  10. Daniel Defense, M4, Carbine, MK18, 5.56 | Daniel Defense

    The MK18 AR15 style firearm is unmatched in size, weight, and performance, and features the picatinny quad rail Daniel Defense provides to USSOCOM. The RIS II picatinny quad rail features a Bolt-Up …