Proof Research has engineered this AR-style barrel in 308 Winchester with a 20 inch length that weighs up to 64% less than traditional steel barrels of comparable contour. The carbon fiber construction, wrapped in aerospace-grade material and impregnated with a proprietary matrix resin, delivers improved heat dissipation to keep your barrel cooler and extend its service life.
AR10 Barrels
Proof Research AR-Style 308 Winchester 20 Inch Rifle Barrel Accessory
$1,020.00
Proof Research AR-style 308 Winchester barrel delivers up to 64% weight savings over traditional steel with carbon fiber aerospace-grade construction. Wrapped in proprietary matrix resin for superior heat dissipation and extended service life.
Availability: Only 2 left in stock
Proof Research
| Weight | 3 lbs |
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| Dimensions | 18 × 2.5 × 2.5 in |
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