18″ 5.56, RIFLE LENGTH, 1:7, MK12
Our 18” 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.
|Manuf. Process||Cold Hammer Forged|
|Muzzle Thread||1 ⁄ 2 × 28 TPI (Threads Per Inch)|
|Gas System||Rifle Length|
|Diameter At Gas Port||.750″|
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