Hybrid M118lr SBN Barrel .308 Win 18 1-10 Mid-Length Black
$370.49 at Brownells · 2 stores
In stock
Rock River Arms 20in .308 SS Varmint Barrel Stainless Steel
No ratings yetBest price
$369.99at OpticsPlanet
Out of stock Sale checked Oct 21, 2026
In stock now instead
- Hybrid M118lr SBN Barrel .308 Win 18 1-10 Mid-Length Black $370.49at Brownells
- Spikes Tactical AR-10 .308 Cold Hammer Forged AR Threaded Barre… $378.00at OpticsPlanet
- Hybrid M118lr SBN Barrel .308 Win 16 1-10 Rifle-Length Black $351.99at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $369.99Salechecked Oct 21, 2026 | Out of stock | Buy at OpticsPlanet |
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.
Spikes Tactical AR-10 .308 Cold Hammer Forged AR Threaded Barrel 18in 1/12 Twist 5/8x24
$378.00 at OpticsPlanet
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Wilson Combat Barrel Match Grade AR-10 .308 Win. 16in Ranger KAC 13.25in Gas 5/8inx24 416R SS Stainless Steel
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Price history
Dashed line = out of stock. Tracking since Oct 17, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $369.99 | $369.99 | $369.99 |
Since Oct 17, 2026.
About this part
The Rock River Arms 20in .308 SS Varmint Barrel Stainless Steel is a 2E+1" .308 / 7.62x51 barrel from Rock River Arms with a rifle gas system. One store lists it, OpticsPlanet at $369.99.
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
- Barrel length
- 2E+1" · Handguards
Specifications
- Manufacturer
- Rock River Arms
- Platform
- AR-10
- Caliber
- .308 / 7.62
- Gas system
- Rifle
- Barrel length
- 20"
From the manufacturer
Rock River Arms 20in .308 SS Varmint Barrel Stainless Steel. 308 SS Varmint Non Threaded Barrel: Manufacturer: Rock River Arms Color: Steel Caliber: 7.62x51mm NATO Barrel Length: 20 in Barrel Profile: Varmint Gas System Length: Rifle Length Gas Block Journal Size-Diameter: .936 in Barrel Twist Rate: 1-10 Flutes: No Gun Make: Rock River Arms Gun Model: Universal Weight: 69 oz Threads per Inch: Non Threaded Fabric/Material: 416R Stainless Steel Package Contents: Rock River Arms 20in .308 SS Varmint Non Threaded Barrel What firearm models does the manufacturer say Rock River Arms 20in .308 SS Varmint Non Threaded Barrel is compatible with? The manufacturer says that Rock River Arms 20in .308 SS Varmint Non Threaded Barrel is compatible with UniversalRock River Arms 308A0226: 20in .308 SS Varmint Barrel Stainless Steel
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