6mm ARC 1-7.5 Twist 20" Carbon Fiber Barrel
$949.00 at Brownells · 7 stores
In stock
Best price
$899.10at MidwayUSA
In stock Sale checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $899.10Salechecked Oct 1, 2026 | In stock | Buy at MidwayUSA | |
| Ammunition Depot | $951.49checked Oct 1, 2026 | In stock | Buy at Ammunition Depot | |
| Brownells | $997.99checked Oct 1, 2026 | In stock | Buy at Brownells | |
| OpticsPlanet | $999.00Salechecked Oct 1, 2026 | In stock | Buy at OpticsPlanet | |
| GunMag Warehouse | $999.99checked Oct 1, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $858.00Salechecked Oct 1, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $999.99Salechecked Oct 1, 2026 | Check store | Buy at Palmetto State Armory |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $899.10 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $951.49 | $951.49 | $999.00 |
| Battlehawk Armory | $858.00 | $858.00 | $858.00 |
| Brownells | $997.99 | $997.99 | $997.99 |
| GunMag Warehouse | $999.99 | $999.99 | $999.99 |
| MidwayUSA | $899.10 | $899.10 | $999.00 |
| OpticsPlanet | $999.00 | $999.00 | $999.00 |
| Palmetto State Armory | $999.99 | $999.99 | $999.99 |
Since Sep 27, 2026.
About this part
The 6mm ARC 7.5 Twist 18" Carbon Fiber Barrel is an 18" 6mm ARC barrel from Proof Research. It's sold by 7 stores (5 in stock), from $858.00 to $999.99. The lowest in-stock price in the last 30 days was $899.10 at MidwayUSA.
Fits and works with
- Caliber
- 6mm ARC · Shop matching ammo
- Bolt
- 6.5 Grendel / 6mm ARC · Bolt carrier groups
- Barrel length
- 18" · Handguards
Specifications
- Manufacturer
- Proof Research
- Platform
- AR-15
- Caliber
- 6mm ARC
- Barrel length
- 18"
From the manufacturer
PROOF Research's match-grade carbon fiber barrels are stronger, lighter, and as accurate as the finest precision steel barrels and will maintain their performance in the harshest conditions. Up to 64% lighter than traditional steel barrels Match-grade accuracy Improved heat dissipation for cooler and longer lasting barrels No point-of-impact shift during high-volume fire Reduced harmonic barrel vibration Unprecedented durability Mfg: Proof Research
Similar barrels
6mm ARC 7.5 Twist 16" Carbon Fiber Barrel
$949.00 at Brownells · 7 stores
In stock
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.