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Daniel Defense MK18
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Daniel Defense

MK18

$1,563.00
$1,454.00
Sale Price
Out of Stock California compliant

Daniel Defense Complete Upper, MK18 URG, 5.56 NATO, 10.3" Hammer Forged Barrel , 1:7 Twist, Flat Top, Black Finish 23-004-08013-006

Key Details
Brand Daniel Defense
Manufacturer Part Number 23-004-08013-006
UPC 815604014045
SKU DD23-004-08013-006
Current Stock 0 available
Quantity Updated Jun 11, 2026 9:41 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

Use what THEY use. The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail Interface System (RIS II) features the Bolt-Up System has been rigorously tested prior to fielding by USSOCOM. The 10.3" barrel is the same length in use for the MK18 upper most commonly used for CQB operations. 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. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group. NFA DISCLAIMER: Once this part is assembled into a complete firearm, it becomes a regulated item by the National Firearms Act (NFA). Please check with your local and state municipalities for any further regulatory requirements. It is the buyer's responsibility to make sure they comply with all NFA rules and applicable laws.

Features
  • M4 Feed Ramps
  • Type III Hard Coat Anodized
  • Cold Hammer Forged
  • Carbine Length
  • Daniel Defense Flash Suppressor
  • M16 Profile BCG
  • Daniel Defense RIS II MK18
  • Daniel Defense Rail Panels Made from Santoprene, Heat Resistant to 300° F.
Specifications
UPC: 815604014045
Manufacturer: Daniel Defense
Manufacturer Part #: 23-004-08013-006
Model: MK18
Barrel Length: 10.3"
Sights: Flat Top
Type: Upper