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Daniel Defense DDM4 MK18 Black/FDE 5.56 10.3-inch 30rd

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The Daniel Defense MK18 Pistol, equipped with the SB-Tactical SOB Pistol Stabilizing Brace and LAW Tactical GEN3M folding stock adapter, is a variation of the MK18 SBR, which has been extremely popular within the Law Enforcement and Special Operations communities. This firearm is classified as a Pistol and not a Short Barreled Rifle (NFA regulated items require ATF approval and a tax stamp).

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SKU: 1eb24d7f65bc Categories: ,




•Black receivers

•Flat Dark Earth rail

•Law Tactical GEN3M Folding Stock Adapter included

•Carbine-length Gas System   

•Pinned low-profile gas block   

•M16 profile BCG   

•MIL-SPEC heavy phosphate coated chrome-lined barrel, Gov’t. profile   

•DD Flash Suppressor   

•RIS II MK18 Rail hanguard with removable heat-resistant Santoprene rail panels   


•AR Pistol Receiver Extension   

•SB-Tactical SOB pistol stabilizing brace   

•32-round DD mag   

•1:7 Twist   

•OAL: 28.75″  

•Wt.(lb): 6   



•Direct Impingement Gas System   

•MIL-SPEC 7075-T6 aluminum receivers   

•Optics-ready flat-top upper with indexing marks & polished M4 feed ramps   

•Enhanced flared magwell   

•High-Pressure Tested (HPT), MPI (Magnetic Particle Inspected) & chrome-lined Bolt Carrier Group (BCG)   

•Salt Bath Nitride treated cold hammer-forged Chrome Moly Vanadium steel alloy barrel

•Salt Bath Nitride treated 17-4 PH stainless steel muzzle device   

•Bolt-Up System clamps rail directly to receiver with (4) Grade 8 MIL-SPEC fasteners   

•Aircraft-grade aluminum free-float rail system with full-length Picatinny top rail   

•DD Pistol Grip with Soft Touch Overmolding, ergonomic wrist angle, & integral oversized trigger guard

•Full-latch Impact plastic case   

•Made in the USA