Hybrid M118lr SBN Barrel .308 Win 22 1-11 Rifle-Length Black
$332.99 at OpticsPlanet · 3 stores
In stock Sale
Rock River Arms 20in .308 CM Varmint Barrel Assembly w/Gas BLK Black
No ratings yetBest price
$329.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- Hybrid M118lr SBN Barrel .308 Win 22 1-11 Rifle-Length Black $332.99at OpticsPlanet
- Criterion Barrels 16in AR-10 Mid Length Nitrided Gas System Bar… $332.99at OpticsPlanet
- Sons of Liberty Gun Works Threaded Barrel .308 18in V2H Profile… $322.34at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $329.99Salechecked Oct 22, 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.
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This part is out of stock at every store we track. These similar barrels are in stock, with today's prices.
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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 | $329.99 | $329.99 | $329.99 |
Since Oct 17, 2026.
About this part
The Rock River Arms 20in .308 CM Varmint Barrel Assembly w/Gas BLK Black is a 2E+1" .308 / 7.62x51 barrel from Rock River Arms with a rifle gas system. One store lists it, OpticsPlanet at $329.99.
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
- Color
- Black
- Platform
- AR-10
- Caliber
- .308 / 7.62
- Gas system
- Rifle
- Barrel length
- 20"
From the manufacturer
Rock River Arms 20in .308 CM Varmint Barrel Assembly w/Gas Blk Black. 308 CM Varmint Non Threaded Barrel Assembly w/Gas Blk: Manufacturer: Rock River Arms Color: Black 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: 55 oz Threads per Inch: Non Threaded Fabric/Material: Chrome Moly Package Contents: Rock River Arms 20in .308 CM Varmint Non Threaded Barrel Assembly w/Gas Blk What firearm models does the manufacturer say Rock River Arms 20in .308 CM Varmint Non Threaded Barrel Assembly w/Gas Blk is compatible with? The manufacturer says that Rock River Arms 20in .308 CM Varmint Non Threaded Barrel Assembly w/Gas Blk is compatible with UniversalRock River Arms 308A0236ASY: 20in .308 CM Varmint Barrel Assembly w/Gas Blk Black
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