Criterion Barrels 20in AR-10 Rifle Length Gas System Barrel .308 M118 LR 1-10 Twist Parkerized 4140/4150 Chrome Moly Steel

Name: Criterion Barrels 20in AR-10 Rifle Length Gas System Barrel .308 M118 LR 1-10 Twist Parkerized 4140/4150 Chrome Moly Steel
Brand: Criterion Barrels
Availability: InStock

Criterion Barrels · Barrels

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Best price

$309.02at MidwayUSA

In stock Sale checked Oct 21, 2026

Buy at MidwayUSA

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Where to buy

Store	Price	Availability	Buy	Add to build
MidwayUSA Best price	$309.02Salechecked Oct 21, 2026	In stock	Buy at MidwayUSA
OpticsPlanet	$351.99Salechecked 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.

Price history

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Lowest in-stock price in the last 30 days: $309.02 at MidwayUSA. Dashed line = out of stock. Tracking since Oct 17, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
MidwayUSA	$309.02	$309.02	$309.02
OpticsPlanet	$351.99	$351.99	$351.99

Since Oct 17, 2026.

About this part

The Criterion Barrels 20in AR-10 Rifle Length Gas System Barrel .308 M118 LR 1-10 Twist Parkerized 4140/4150 Chrome Moly Steel is a 2E+1" .308 / 7.62x51 barrel from Criterion Barrels with a rifle gas system. It's sold by 2 stores (1 in stock), from $309.02 to $351.99. The lowest in-stock price in the last 30 days was $309.02 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
Barrel length: 2E+1" · Handguards

Specifications

Manufacturer: Criterion Barrels
Platform: AR-10
Caliber: .308 / 7.62
Gas system: Rifle
Barrel length: 20"

From the manufacturer

Criterion Barrels 20in AR-10 Rifle Length Gas System Barrel .308 M118 LR 1-10 Twist Parkerized 4140/4150 Chrome Moly Steel. Criterion Barrels uses button rifling and manufactures these AR15 Barrels from gun barrel quality steel. Criterion Barrels AR-10 Hybrid Rifle Length Gas System Barrels are compatible with both .308 Win and 7.62x51 NATO ammo. Their hybrid contour provides high accuracy with lighter weight. For high quality barrels at affordable prices choose Criterion Barrels AR-10 Mid-Weight Hybrid Match Grade Barrels. Specifications for Criterion Barrels AR-10 Rifle Length Gas System Barrel: Manufacturer: Criterion Barrels Fabric/Material: 416R Stainless Steel Barrel Profile: Hybrid Gas System Length: Rifle Length Gas Block Journal Size-Diameter: .750 in Gun Make: AR Platform Gun Model: AR-10 Additional Features: Button Rifled Condition: New Firearms Threads Per Inch: 5/8x24 Features of Criterion Barrels AR-10 Rifle Length Gas System Barrel DPMS compatible Polished stainless steel finish Honed and hand-lapped rifling for bore uniformity and a pristine internal finish aids in barrel cleaning and paramount for accuracy Finely polished chambers for reliable extraction and feeding Rifle length gas system compatible with AR15 gas tube system Gas hole tuned for proper function with and without suppressor 0.750" Gas Block dimpled for ease of installation and lock-up 5/8x24 TPI muzzle threads compatible with a wide range of muzzle devices and suppressors Precision-machined barrel extension for M4 feed ramps Package Contents: Criterion Barrels AR-10 Rifle Length Gas System Barrel What firearm models does the manufacturer say Criterion Barrels AR-10 Rifle Length Gas System Barrel is compatible with? The manufacturer says that Criterion Barrels AR-10 Rifle Length Gas System Barrel is compatible with AR-10Criterion Barrels 10200-HYR: 20in AR-10 Rifle Length Gas System Barrel .308 M118 LR 1-11 Twist Parkerized 4140/4150 Chrome Moly Steel