Centurion Arms MK12 18" 5.56 NATO 1:7 R5 416R Stainless Steel Rifle Length Barrel - MK12B-R5
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Centurion Arms MK12 18″ 5.56 NATO 1:7 R5 416R Stainless Steel Rifle Length Barrel
Centurion Arms MK12 Rifle Barrels are the result of development done by the U.S. government to give Special Operations forces the best possible weapon system. Troops who have carried these Rifle Barrels from Centurion Arms give them high marks for reliability and accuracy. Centurion Arms MK12 Crane Spec. Rifle Barrels are manufactured from 416R stainless steel with a blasted stainless finish. Get special ops quality when you upgrade to the Centurion Arms MK12 18-inch Rifle Barrel.
Features
- 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.
- Centurion Arms barrels serve as HBAR barrels
- Centurion Arms barrels require no further break-in
- Requires gunsmith installation
Specifications
- Color: Stainless
- Finish: Stainless
- Fabric/Material: 416R Stainless Steel
- Cartridge: 5.56mm
- Barrel Length: 18 in
- Barrel Profile: MK12
- Gas System Length: Rifle Length
- Threads per Inch: 1/2×28
- Barrel Twist Rate: 1-7
- Barrel Material: 416R Stainless Steel
- Weight: 2.4 oz, 2.4 lb
| Weight | 2.4 oz |
|---|---|
| Finish | Stainless |
| Barrel Profile | M4 |
| 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-R5 |
| UPC | 6612 |
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.
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