In StockSave 23%
Proof Research Barrel Carbon Fiber .300 Blackout 12.5 Barrel for AR15
Sold byGrabAGun•Posted Apr 27, 2026
Compare prices for Proof Research AR-15 Barrel 300 AAC Blackout 12.5" Medium Contour 1:7" Twist$888.99
$1,149.00
You save $260.01 (23% off)
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Deal Summary
- Currently in stock.
- Caliber: 300blk
- Category: parts
Price History
Deal Details
Proof Research Barrel Features This PROOF Research pre-fit carbon fiber barrel is for AR-15. The pre-fit barrels will arrive threaded chambered and ready for installation. By designing carbon fiber barrels specifically for the AR-15 Proof has made it easy for individuals to swap barrels on their rifle. Proof Research Barrel Specifications Barrel Length: 12.5 Barrel Material: Carbon Fiber Barrel Twist Rate: 1:8 Barrel Type: Threaded Brand: Proof Caliber: .300 Blackout Color: Black/g
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