AR15 12.5" 300BLK MR Barrel
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Specifications
Restriction
What is the AR15 12.5" 300BLK MR Barrel?
AR15 12.5" 300BLK MR Barrel
Direct replacement for the standard .223/5.56mm barrel converts your AR-15 to the high-performance 300 AAC Blackout (300BLK) cartridge. The 300 AAC lets you upgrade your rifle to 7.62 x 39 ballistics, while retaining the standard AR-15/M16 bolt, carrier, and magazine at its full capacity, with no additional modifications. 1-7" rifling accepts bullet weights from 110 gr to 220 gr, and 5/8"-24 muzzle threads accept popular AR-.308 flash suppressors and muzzle brakes. Three models available, 16", 12.5" and 8.2" long and treated inside and out with CMMG’s "Wasp" nitriding process for outstanding resistance to wear and corrosion. 16" barrel has the gas port in the standard position for use with all M4-length gas systems and supersonic ammunition. 12.5" & 8.2" barrels have the gas port positioned for use with pistol-length gas systems.
SPECS: Hardened 4140 chrome-moly steel, Wasp nitride finish, matte black .750" O.D. at gas port.5/8-24 muzzle threads.
See all of our AR15s and AR15 parts here.
Threaded Barrel Restriction:
Threaded Barrels have restricted shipping to CA.
WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov
Restrictions & Policies
Threaded Barrel Restriction:
Threaded Barrels have restricted shipping to CA.
WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov
Every system is hand-fitted by master gunsmiths at our East Coast armory vault and undergoes a strict 4-stage optical shock and live-fire proofing test before dispatch to ensure sub-MOA reliability right out of the box.
Key Specifications & Features:
- Cartridge: 300 AAC Blackout
- Color: Black
- Item Weight (lbs): 7.000
- Action Type: Semi-Auto
- Cartridge Capacity: 30
In The Box / Package Contents:
- 1x AR15 12.5" 300BLK MR Barrel Complete System
- 1x Factory Protective Packaging & Operator Manual
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