Daniel Defense MK18 Complete Upper Receiver (FDE – Flat Dark Earth Color) – 5.56x45mm – 10.3″ Inch Barrel – Includes BCG & Charging Handle



Daniel Defense MK18 Complete Upper – 10.3′ Inch Barrel

  • 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 II MK18, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized
  • 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
  • RAIL PANELS: Daniel Defense Rail Panels Made from Santoprene, Heat Resistant to 300° F.
  • Made in the USA!

When it comes to entire AR-15 upper receivers, you can’t do better than what Daniel Defense produces. Each upper manufactured by Daniel Defense undergoes extensive hand assembly, quality control testing, and test firing before reaching the hands of clients. Mil-spec indexing markings and M4 feed ramps are found on the upper receiver. CNC Black type III hard coat anodized aluminum 7075 casting with a machined finish. Cold hammer forged with a 1:7 twist, the barrel measures 10.3 inches and has a government profile and is lined with chrome. The RIS II MK18 from Daniel Defense is the model of the handguard. Flat Dark Earth type III hard coat anodizing complements the 6061-T6 aluminum from which it is CNC cut. The gas block is CNC machined from 4140 hardened steel with a mil-spec strong phosphate finish, and it features a set screw Torx low profile. It has a direct impingement gas system and is carbine length.

SPECS: Upper Receiver: CNC machined 7075-t6 Aluminum. Barrel: chrome moly vanadium steel, 1:7 twist, 10.3″. Gas system: CNC machined 4140 hardened steel. Handguard: CNC machined 6061-T6 aluminum.



The Best Daniel Defense MK18 Complete Upper 10.3 Inch Barrel


Daniel Defense’s MK18 Complete Upper Receiver is a solid AR-15 upper. The finest AR-15 upper receiver delivers precise accuracy and reliable performance. This article discusses the Daniel Defense MK18 Complete Upper Receiver and its AR-15 shooting benefits. The Daniel Defense MK18 Complete Upper Receiver for the AR-15 has a 10.3″ 5.56x45mm barrel and several perks.

The Daniel Defense MK18 Complete Upper Receiver upgrades an AR-15 bottom receiver. This quality upper receiver has a 10.3-inch barrel for near and distant ranges. 5.56x45mm ammunition works with the MK18 Complete Upper Receiver.

Modern shooters know Daniel Defense for its high-quality firearms and accessories. Their MK18 Complete Upper Receiver shows skill, accuracy, and creativity.

Innovative features set the Daniel Defense MK18 Complete Upper Receiver apart. Its 10.3-inch barrel makes it perfect for close-quarters warfare and other tactical situations. The MK18 barrel is accurate despite its shorter length, so your shots will always hit their target.

Another benefit is being linked with Daniel Defense. The MK18 Complete Upper Receiver’s high-quality materials and strict production standards ensure that your AR-15 will perform reliably at the range.

Ammunition, from training rounds to self-defense bullets, is readily available in 5.56x45mm chambering.

Look to the Daniel Defense MK18 Complete Upper Receiver for upper receivers. The 10.3-inch metal barrel is corrosion-resistant. This maintains the barrel’s performance and accuracy after frequent use.

The upper receiver is machined from a solid block of aircraft-grade aluminum to decrease weight without losing robustness. The top MIL-SPEC 1913 Picatinny rail lets you mount a variety of optics, sights, and lasers to your AR-15, giving you a lot of flexibility.

The MK18 Complete Upper Receiver includes the bolt carrier group (BCG) and charging handle for a “complete” setup.

Daniel Defense MK18 Complete Upper Receiver improves AR-15s. For shooters of all skill levels, this upper receiver is accurate, reliable, and versatile.

The MK18 Complete Upper Receiver is ideal for home defense and tactical use due to its small size.

Aftermarket accessories install easily on the MK18 Complete Upper Receiver’s Picatinny rail. The shooter’s optics, sights, and accessories may quickly modify the AR-15.

The Daniel Defense MK18 Complete Upper Receiver is the pinnacle of AR-15 performance and durability with its 10.3″ 5.56x45mm barrel. This upper receiver improves AR-15 accuracy, durability, and personalization. The Daniel Defense MK18 Complete Upper Receiver will improve your shooting.





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