Daniel Defense 18 In Mk12 5.56 Rifle Length Barrel - Stripped


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Full Details & Specifications

Daniel Defense 18 In Mk12 5.56 Rifle Length Barrel - Stripped


The Daniel Defense MK12 barrel, chambered in 5.56mm NATO, is known for its use by US Special Operations.  It’s constructed from a proprietary Stainless Steel blend with the chamber created during the Cold Hammer Forging process, which ensures the most precise alignment of the chamber to the bore possible.  These barrels, some of the most accurate and durable barrels attainable, are DLC finished.  The MK12 barrel is engineered with a rifle length direct impingement gas system and is a solid choice for your AR-15 Build.


  • Muzzle Thread:  1/2 x 28 TPI
  • Manuf. Process:  Cold Hammer Forged
  • Caliber:  5.56 NATO
  • Twist Rate:  1:7
  • Material:  Stainless Steel
  • Outside Finish:  DLC
  • Gas System:  Rifle Length
  • Diameter at Gas Port:  .750"
  • Barrel Extension:  A4
  • Barrel Profile:  MK12
  • Weight:  2.56 lbs
Manufacturer Daniel Defense
Shipping Restriction ITAR/Export Restricted
MSRP $379.00
Caliber 5.56x45mm
Barrel Length 18.0 Inch
Gas Block/Front Sight Base No
Material Finish No
Color No
Gas System No


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