Centurion Arms MK12 18" 5.56 NATO 1:7 416R Stainless Steel Rifle Length Barrel - MK12B
Only 3 left in stock
MK12 Barrel
These are Crane Spec. MK12 barrels. These barrels are the result of tens of thousands of dollars in development done by the U.S. government to give our Special Operations guys the best weapon system they can have. We have spoken with many riflemen who have used these barrels and carried them in combat and have found unanimous satisfaction with their reliability and accuracy.
Specs:
Material: 416R Stainless
Barrel extension: M4 feed ramps
Chamber: optimized for use with MK262 (Black Hills 77gr equivalent)
Twist: 1 in 7 right hand
Contour: for use with OPS inc.
Length: 18 in and threaded 1/2×28 for use with most common muzzle devices
Weight: 2 lbs 6.3 oz
*****Centurion Arms barrels require no further break in*****
***Requires gunsmith installation
| Weight | 38.304 oz |
|---|---|
| Dimensions | 20 × 3 × 3 in |
| Finish | Stainless |
| Barrel Profile | Medium |
| Cartridge Compatibility | 5.56 NATO |
| Gas Block Journal | 0.75 |
| Barrel Length | 18 |
| Gas System Length | Rifle |
| Platform | AR-15 |
| Twist Rate | 1:7 |
| Muzzle Thread Pattern | 1/2×28 |
| MPN | MK12B |
| UPC | 6611 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Customer Reviews
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United States
Supreme Accuracy
The barrel description is spot on. This barrel is extremely accurate and surprisingly enough, better than I thought with 55 grain ammo. The finish is tough and barrel extension polished. I plugged this barrel into my MK 12 build and my first 3 shots from 100 were in a dime. I am very satisfied with this product and cannot rave enough about how fast all my AR15DISCOUNTS products ship to my door. If you want supreme accuracy in a rifle, look no further than this barrel.
USCenturion Arms
This Barrel is hands down the best AR barrel I have ever bought. Thanks Centurion!
