12.5" 338 ARC Barrel - Shaw - Heavy - Matte SS - 1x8 - 5/8x24

12.5" 338 ARC Heavy Matte SS AR15 Barrel by Shaw Barrels

Shaw Custom Barrels offer unparalleled quality, reliability, and accuracy - every one we sell is match grade. Engineered for consistent pressure, the 338 ARC provides consistent and reliable cycling with both super and subsonic loads. Featuring 307 gr. subsonic and 175 gr. supersonic rounds, the 338 ARC represents the ultimate 338 cartridge that fits in an AR 15.

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