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Daniel Defense AR-15 MK18 Pistol Upper Receiver Assembly 5.56x45mm 10.3″ Barrel

Original price was: $1,371.00.Current price is: $1,015.58.

Category: AR-15 Complete Uppers

Description
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Daniel Defense AR-15 MK18 Pistol Upper Receiver Assembly Online

The Daniel Defense AR-15 MK18 Pistol Upper Receiver Assembly is produced from Mil-Spec 4150 Chrome-Moly Vanadium Steel and is Chrome Lined for durability and corrosion resistance. It is part of the daniel defense’s complete upper, faithful pursuit of the US Navy’s Mk18 Mod 1 platform. An actual 5.56×45 NATO chamber may use both commercial and higher pressure surplus mil-spec ammunition safely, and M4 feed ramps are included in the barrel extension and ar uppers to improve reliable feeding.

The gas key is securely fastened to its mil-spec bolt carrier, and the bolt and carrier both pass a comprehensive Magnetic Particle Inspection (MPI) test for verified structural integrity. While aluminum regions are Type III Hard Coat Anodized, all steel parts have a solid Mil-Spec Phosphate coating for better corrosion resistance and longevity.

This daniel defense stripped upper has a 9.5″ Flat Dark Earth RIS II Mk18 Quad-Rail Handguard that Free Floats the barrel for more significant accuracy potential and covers a pinned, low-profile gas block at the carbine gas port position. The A4 Flat-Top receiver of the RIS II creates a full-length, unbroken top rail surface that can support a shooter’s preferred optic and iron sight setup while leaving plenty of opportunity to add tactical accessories. The daniel defense 300 blackout upper comes with a charging handle assembly and a daniel defense 11 5 upper and is prepared to be dropped onto any registered SBR small pin lower receiver or handgun.

Notes:

The barrel of an “AR-15 Pistol” upper assembly is shorter than 16″. Only legal short-barreled rifles and AR-15 pistol lowers may be used with pistol uppers. Other arrangements might be illegal under federal law.

Installation of AR-15 upper assemblies with specific features, including flash hiders, bayonet lugs, and threaded muzzles, may be illegal in some local and state jurisdictions.

Features

Mil-Spec Upper with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
Chrome Moly Vanadium Steel Barrel, Cold Hammer Forged, 1:7 Twist, 10.3″ Government Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested
Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel with Mil-Spec Heavy Phosphate Coating, Carbine Length, Direct Impingement
Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished
M16 Profile bolt carrier group, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key
Daniel Defense RIS II MK18 Handguard, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized
Daniel Defense Rail Panels Made from Santoprene, Heat Resistant to 300° F

Specifications

Product Information

Cartridge	5.56x45mm NATO
Finish	Flat Dark Earth
Material	Aluminum
Weight	3.71 Pound
Barrel Length	10.3 Inches
Twist	1:7 Inches
Threads	1/2″-28
Barrel Contour	Government
Sights	No
Barrel Finish	Mil-Spec Heavy Phosphate
Chrome Lined	Yes
Gas Block Diameter	0.75 Inches
Gas System Length	Carbine
M4 Feed Ramps	Yes
Upper Receiver Type	A3 Flat-Top
Barrel Material	4150 Chrome Moly Vanadium Steel
Handguard	RIS II Mk18 Quad Rail, Free Float
Bolt Carrier Assembly Included	Yes
Muzzle Device	Daniel Defense Flash Hider
Mil-Spec or Commercial	Mil-Spec
Compatible With	AR-15