Proof Research PR10 Carbon Fiber 18in 308 Win Rifle Length Rifle Barrel 30cal 0.875GB 10 Twist 5/8 x 24
$899.10 at MidwayUSA · 5 stores
In stock Sale
Proof Research PR10 Stainless Steel 18in 308 Win Rifle Length Rifle Barrel 30cal 0.75GB 10 Twist 5/8 x 24
No ratings yetBest price
$584.10at MidwayUSA
In stock Sale checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $584.10Salechecked Oct 21, 2026 | In stock | Buy at MidwayUSA | |
| OpticsPlanet | $649.00Salechecked Oct 21, 2026 | In stock | Buy at OpticsPlanet | |
| Battlehawk Armory | $572.25Salechecked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| Brownells | $579.00checked Oct 21, 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.
Price history
Lowest in-stock price in the last 30 days: $584.10 at MidwayUSA. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $572.25 | $572.25 | $572.25 |
| Brownells | $579.00 | $579.00 | $579.00 |
| MidwayUSA | $584.10 | $584.10 | $584.10 |
| OpticsPlanet | $649.00 | $649.00 | $649.00 |
Since Oct 12, 2026.
About this part
The Proof Research PR10 Stainless Steel 18in 308 Win Rifle Length Rifle Barrel 30cal 0.75GB 10 Twist 5/8 x 24 is an 18" .308 / 7.62x51 barrel from Proof Research with a rifle gas system. It's sold by 4 stores (2 in stock), from $572.25 to $649.00. The lowest in-stock price in the last 30 days was $584.10 at MidwayUSA.
Fits and works with
- Caliber
- .308 / 7.62x51 · Shop matching ammo
- Bolt
- AR-10 (.308 / 6.5 CM) · Bolt carrier groups
- Gas system
- Rifle · Handguards
- Muzzle thread
- 5/8x24 · Muzzle devices
- Barrel length
- 18" · Handguards
Specifications
- Manufacturer
- Proof Research
- Platform
- AR-10
- Caliber
- .308 / 7.62
- Gas system
- Rifle
- Barrel length
- 18"
- Thread pattern
- 5/8 x 24
From the manufacturer
Proof Research PR10 Stainless Steel 18in 308 Win Rifle Length Rifle Barrel 30cal 0.75GB 10 Twist 5/8 x 24. These Rifle Barrels made by Proof Research are constructed from stress-proof stainless steel and can handle the full load of .308 ammo. For those looking to enhance their 308 rifle consider a Proof Research PR10 .308 Barrel. These barrels offer high heat tolerances and extreme accuracy. With these your 308 will be the envy of the shooting community. Gain a long-lasting edge over your opponents when you're on the range or in the field with a Proof Research PR10 .308 Barrel. Specifications for Proof Research PR10 Stainless Steel 308 Win Deepfeed Rifle Barrels: Manufacturer: Proof Research Color: Silver Fabric/Material: Stainless Steel Caliber: .308 Winchester Barrel Length: 18 in Barrel Profile: Contour 0.75GB Gas System Length: Rifle Length Barrel Twist Rate: 1-10 Flutes: No Weight: 3.6 lb Firearms Threads Per Inch: 5/8x24 Features of Proof Research PR10 Stainless Steel 308 Win Deepfeed Rifle Barrels: Designed for AR10 Firearms 1-10 Twist Rate Chambered in .308 Winchester Package Contents: Proof Research PR10 Stainless Steel 308 Win Deepfeed Rifle Barrels Proof Research PR10S180300DAB10B308W: PR10 Stainless Steel 18in 308 Win Rifle Length Rifle Barrel 30cal 0.75GB 10 Twist 5/8 x 24
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