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Daniel Defense MK18 Black 5.56 NATO 10.3" Short Barrel Upper Receiver Group 23-004-08013-006

SKU 23-004-08013-006-DD

List Price $1,371.00
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iconThis item ships for free Offer valid within continental United States. Excludes firearms & ammunition.

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The Daniel Defense MK18 Upper Receiver is a complete upper receiver system ideal for placement on AR pistol lower receivers or AR rifle lower receivers (NFA Short Barreled Rifle Regulations Apply). The upper is built around a carbine-length direct impingement gas system and a 10.3" barrel chambered for 5.56 NATO. The MK18 Upper features Daniel Defense’s RIS II Rail System with Santoprene heat resistant rail panels.

Components of the Daniel Defense MK18 Upper Receiver

  • Gas System: Low Profile 4140 Steel Gas Block, Carbine-Length, Direct Impingement
  • Barrel: 10.3" Cold Hammer Forged Chrome Moly Vanadium Steel with 1:7" Twist
  • Muzzle Device: 17-4 PH Steel Daniel Defense Flash Suppressor with Salt Bath Nitride Finish
  • Bolt Carrier Group: MIL-SPEC M16 Profile Chrome Lined
  • Handguard: 6061-T6 Aluminum Daniel Defense RIS II Rail System with Rail Panels.


  • Item ConditionNew
  • Product TypeReceiver
  • UPC815604014045
  • MPN23-004-08013-006

Customer Reviews

Average Rating
March 16, 2023

The shipping was super fast and the product was as described. The MK18 upper was brand new and had never even left the DD box. I will definitely do business with Euro Optic again.

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June 12, 2022

Fast shipping and a great transaction. Info for new buyers on some products. Shipping is locked and can't be held or changed, you must be there to receive the package. I understand why they do this and it's not an issue. Just to let you know. Flawless transaction and customer service is fast and helpful. I would reccomend them and will purchase from again in the future. Thanks again!!

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