Daniel Defense MK18 RIII SBR 5.56 NATO – 10.3 in. – Black
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At a Glance
FIT & COMPATIBILITY
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Compatibility details selected by the Ready Gunner team.
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The Daniel Defense MK18 RIII is the latest evolution of the legendary MK18 short-barreled rifle. It pairs the proven 10.3-inch cold hammer forged barrel with the lighter RIS III Rail Interface System — a free-float M-LOK handguard with a continuous Mil-Spec 1913 top rail, seven M-LOK attachment points, and integral QD swivel sockets on both sides. The fully ambidextrous lower receiver, GRIP-N-RIP ambidextrous charging handle, Daniel Defense buttstock and pistol grip, and three heat-resistant rail ladders complete the package. Ships with one 32-round Daniel Defense magazine.
NFA NOTICE: This is a short-barreled rifle regulated under the National Firearms Act. All NFA rules apply — transfer must go through a Class 3 dealer.
Specifications
- Caliber: 5.56x45mm NATO (.223 Rem)
- Action: Semi-automatic SBR
- Barrel: 10.3 in., cold hammer forged chrome-moly vanadium steel, 1:7 twist, government profile, chrome lined
- Muzzle: Daniel Defense flash suppressor, 17-4 PH stainless steel, salt bath nitride, 1/2x28 threads
- Gas system: Carbine-length, pinned low-profile gas block
- Handguard: 9.5 in. RIS III M-LOK free-float rail, 6061-T6 aluminum, Type III hardcoat anodized
- Receivers: Mil-Spec 7075-T6 aluminum, enhanced flared magwell, ambidextrous lower
- Charging handle: GRIP-N-RIP ambidextrous
- Stock / Grip: Daniel Defense buttstock and pistol grip, soft-touch overmolding
- Finish: Black anodized
- Capacity: 32+1 (one 32-round magazine included)
- MPN: 02-088-10401-047 | UPC: 818773023252
- RG Product Type:
- Firearm
- Caliber:
- 5.56 NATO
- Barrel Length:
- 10.3 in.
- Action:
- Semi-Automatic
- Capacity:
- 32+1
- Finish:
- Black Anodized
- MPN:
- 02-088-10401-047
- UPC:
- 818773023252