AR 308 PR-10 Barrel Caliber Matched Gas System Carbon Fiber - 6.5 Creedmoor 1-8 Twist 20" Carbon Fiber Barrel
$899.10 at MidwayUSA · 5 stores
In stock Sale
Best price
$899.00at Brownells
Out of stock checked Oct 22, 2026
In stock now instead
- AR 308 PR-10 Barrel Caliber Matched Gas System Carbon Fiber - 6… $899.10at MidwayUSA
- Proof Research Carbon AR .223 Wylde Threaded Rifle Barrel 20 in… $899.10at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $899.00checked Oct 22, 2026 | Out of stock | Buy at Brownells |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar barrels in stock
This part is out of stock at every store we track. These similar barrels are in stock, with today's prices.
Proof Research Carbon AR .223 Wylde Threaded Rifle Barrel 20 inch Rifle Length 1-8 Twist 5/8-24 Carbon
$899.10 at MidwayUSA · 2 stores
In stock Sale
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $899.00 | $899.00 | $899.00 |
Since Sep 28, 2026.
About this part
The AR-15 22 ARC 18" Standard 1-7 Twist Carbon Fiber Barrel is an 18" AR-15 barrel from Proof Research. One store lists it, Brownells at $899.00.
Fits and works with
- Barrel length
- 18" · Handguards
Specifications
- Manufacturer
- Proof Research
- Platform
- AR-15
- Barrel length
- 18"
From the manufacturer
Carbon fiber has long been hailed across many industries-aerospace, cycling, alternative energy-as a wonder material making everything lighter and stronger. When employed in a rifle barrel the benefits extend beyond reducing weight and increasing strength. Proof's patented manufacturing process begins with full-profile, match-grade 416R stainless steel barrel blanks that are made in their firearms division. These blanks are then turned down to a significantly reduced profile greatly reducing weight. This reduced contour barrel is then wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin developed by our advanced composites di Mfg: Proof Research
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