Daniel Defense manufactures the highest quality complete AR15 upper receivers on the market today! Every Daniel Defense upper is painstakingly hand assembled, quality assurance tested, and test fired to ensure that the highest quality product makes it to the hands of our customers. The Daniel Defense M4 URG, MK18 comes complete with bolt carrier group and charging handle, 10.3? Cold Hammer Forged Barrel, RIS II MK18 Rail System in Black or Flat Dark Earth, and Daniel Defense low profile gas block.

Features and Specifications:
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, MP tested, and Mil-Spec Heavy Phosphate Coated
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 II MK18, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized
RAIL PANELS: Daniel Defense Rail Panels made from Santoprene, heat resistant to 300° F.
Caliber 5.56mm NATO
Gas System Carbine
Barrel Length 10.3"
Product Weight 3.71 lb
Made in the USA!

Note: This product is not returnable. Contact the manufacturer for warranty and assistance.