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Daniel Defense MK18 RIII Complete Upper Receiver - 10.3" Black

AR-15 Complete Upper Receiver

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Daniel Defense MK18 RIII Complete Upper Receiver - 10.3" Black

$1,412.00

The MK18 RIII AR15 style Upper Receiver Group is unmatched in size, weight, and performance, and is built around a 10.3 inch Cold Hammer Forged M4 Profile barrel with a Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging Handle, and our carbine length gas system.  It features a 9.5 inch lightweight RIS III rail—modeled after the revolutionary RIS II two-piece handguard developed for SOCOM— which features M-LOK attachment for lighter weight. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group.



Materials & Construction:

  • 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
  • SIGHTS: Sold Separately
  • 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
  • Made in the USA!


Specifications:

  • Mounting System: M-LOK
  • Caliber: 5.56mm NATO
  • Gas System: Carbine
  • Barrel Length: 10.3"
  • Barrel Profile: Government
  • Product Weight: 3.5 lbs
  • Manufacturer: Daniel Defense
More Information
SKU 23-004-81721-006
Product Type AR-15 Complete Upper Receiver
Manufacturer Daniel Defense
Gas Block Diameter .750"
Thread Pitch 1/2x28 (.22 cal)
Twist Rate 1:7
Color Black
Gas System Length Carbine
Rail Length 9.5"
Mount M-LOK
Barrel Length 10.3"
Caliber 5.56 NATO

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