Daniel Defense MK12 SPR Black 5.56 NATO 18" Upper Receiver Group 23-142-10035

Daniel Defense MK12 Upper Receiver Group 5.56mm NATO 18 Inch MK12 Profile Barrel With Salt Bath Nitride Finish. This along with being DLC finished equates to unprecedented accuracy and durability. The MK12 barrel is engineered with a rifle-length direct impingement gas system and utilizes the MK12 gas block which is built to Crane Specifications for USSOCOM. The MK12 gas block is precision CNC machined from 416 stainless steel and Black Oxide Coated. The new independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters and is engineered for suppressed fire with anti-gas features that redirect gas flow upward and away from the face and operator. The upper receiver is equipped with a free-floating DDM4 Rail 12.0 quad rail for allowing your choice of optics and accessories and is finished off with a Daniel Defense Improved Flash Suppressor. Specifications for Daniel Defense MK12 Upper Receiver Group 18in: Manufacturer: Daniel Defense Cartridge: 5.56x45mm NATO Barrel Length: 18 in Barrel Profile: MK12 Gas System Length: Rifle Length Finish: Nitride Color: Black Gun Model: AR-15 Gun Rail: Picatinny Weight: 5.23 lb Magazine Included: No Mount Type: Picatinny Features of: UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum Type III Hard Coat Anodized BARREL: Proprietary Blend of Stainless Steel Cold Hammer Forged 1:7in Twist 18in MK12 Profile DLC Finished and HP/MPI Tested GAS SYSTEM: MK12 Low Profile Gas Block CNC Machined of 416 hardened steel with Black Oxide Coating Rifle 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 DDM4 Rail 12.0 CNC Machined of 6061-T6 Aluminum Type III Hard Coat Anodized CHARGING HANDLE: GRIP-N-RIP Charging Handle Body CNC Machined of 7075-T6 Aluminum Handles & Latch CNC Machined of 6061-T6 Aluminum Heavy Duty Stainless Steel Roll Pins Type III Hard Coat Anodized RAIL PANELS: Daniel Defense Rail Panels Made from Santoprene Heat Resistant to 300 F. Package Contents: Daniel Defense MK12 Upper Receiver Group 18in Daniel Defense Warranty: Guaranteed Satisfaction All Daniel Defense products carry a 100percent satisfaction guarantee against defects in original materials and workmanship. If your Daniel Defense product shows evidence of such defects Daniel Defense will make every accommodation to fix repair or replace your product in the most expeditious manner possible. Daniel Defense does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer's products. Warranty information and warranties are supplied solely by the manufacturer and not this retailer. This retailer publishes information from the manufacturer for information purposes only and the manufacturer is solely responsible and liable for any warranty information and warranties published by this retailer. Please reference the appropriate manufacturer documents or reach out to the manufacturer directly for full warranty terms and effective dates. atmedia screen and (max-width: 400px) { #w-block-one { display:table-row important; } } Daniel Defense MK12 Upper Receiver Group 5.56mm NATO 18 Inch MK12 Profile Barrel With Salt Bath Nitride Finish