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Daniel Defense
Daniel Defense MK18 RIII 5.56mm NATO Flat Dark Earth Upper Receiver Group 23-004-81721-011
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This item may be regulated for export by the U.S. Department of State or the US Department of Commerce. Please see our Export Policy
Description
Daniel Defense's MK18 RIII Upper Receiver Group is a perfect start to a custom AR build. It comes equipped with a Cold Hammer Forged Chrome Moly Vanadium Steel barrel, and is topped with a proprietary Daniel Defense Flash suppressor. The upper receiver itself is Mil-Spec and features M4 feed ramps, and the gas system is carbine length. Other features include a 9.5" RIS III rail with a picatinny rail and M-LOK attachment points for unmatched customization.
Features:
- UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
- BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 10.3" Government Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested
- GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel with Mil-Spec Heavy Phosphate
- Coating, Carbine Length, Direct Impingement
- MUZZLE DEVICE: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished
- BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key
- HANDGUARD: Daniel Defense RIS III 9.5, Patented, 6-Bolt Bolt-Up System, CNC Machined of 6061-T6 Aluminum
- CHARGING HANDLE: GRIP-N-RIP Charging Handle, Body CNC Machined of 7076-T6 Aluminum, Handles & Latch
- CNC Machined of 6061-T6 Aluminum, Heavy Duty Stainless Steel Roll Pins, Type III Hard Coat Anodized
NOTE: Once this part is assembled into a complete firearm, it becomes a regulated item by the National Firearms Act (NFA). ALL REGULATIONS APPLY.
Specifications
SKU
23-004-81721-011-DD
UPC
818773023016
MPN
23-004-81721-011
Caliber
5.56mm NATO
Rifle Barrel Length
10.3"
Rifle Barrel Twist
1:7"
Weight
3.5 lbs
Caliber or Gauge
5.56 x 45mm NATO
Iron Sights
No
Item Condition
New
Product Type
Upper Receiver