Criterion Barrels

AR 308 M118LR Barrels .308 Win Hybrid - M118LR SBN Barrel .308 Win 18 1-10 Rifle-Length Black

All Criterion Barrels barrels
Criterion Barrels Ar 308 M118lr Barrels .308 Win Hybrid - M118lr Sbn Barrel .308 Win 18 1-10 Rifle-Length Black - Barrel for AR-15 - view 1
Criterion Barrels Ar 308 M118lr Barrels .308 Win Hybrid - M118lr Sbn Barrel .308 Win 18 1-10 Rifle-Length Black - Barrel for AR-15 - view 2
Criterion Barrels Ar 308 M118lr Barrels .308 Win Hybrid - M118lr Sbn Barrel .308 Win 18 1-10 Rifle-Length Black - Barrel for AR-15 - view 3
Criterion Barrels Ar 308 M118lr Barrels .308 Win Hybrid - M118lr Sbn Barrel .308 Win 18 1-10 Rifle-Length Black - Barrel for AR-15 - view 4
Criterion Barrels Ar 308 M118lr Barrels .308 Win Hybrid - M118lr Sbn Barrel .308 Win 18 1-10 Rifle-Length Black - Barrel for AR-15 - view 5
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Criterion Barrels

Overview

The Criterion Barrels .308 Win Hybrid M118lr barrel features an 18-inch length and a 1:10 twist rate, which is optimized for stabilizing a wide range of bullet weights, making it a versatile choice for various applications. With a rifle-length gas system, this barrel ensures smooth cycling and reduced recoil, enhancing overall performance. This barrel is commonly found in precision-oriented builds, particularly those designed for long-range shooting and tactical applications.

Specifications

MPN1018S-HYR-N
FinishSalt Bath Nitride
CoatingNitride
Caliber.308 Win
Gas System LengthRifle
Twist Rate1:10
Barrel Length18

Available Merchants(2)

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Optics Planet
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$352
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Brownells
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$370
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Build history on GunPartPicker

Builders on GunPartPicker first added the Criterion Barrels AR 308 M118LR Barrels .308 Win Hybrid - M118LR SBN Barrel .308 Win 18 1-10 Rifle-Length Black to a build in June 2026.

It was in stock most days in September 2026, and today only Optics Planet has it in stock. Prices barely moved in September 2026, holding around $351.99, so there haven't been real sales lately. Buying today, the lowest price is $351.99 at Optics Planet, which matches the best price we saw in September.

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