Scar 20S 7.62x51 20in Barrel Assembly 1-10

Scar 20s 7.62x51 20in Barrel Assembly 1-10 - Barrel for AR-15 - view 1
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Overview

The Scar 20s barrel assembly is designed for the 7.62x51 NATO caliber and features a 20-inch length, providing an optimal balance between accuracy and velocity for long-range shooting. With a twist rate of 1:10, it effectively stabilizes heavier projectiles, enhancing precision during extended engagements. This barrel is predominantly found in builds utilizing a rifle gas system, making it a suitable choice for those looking to maximize performance in precision or tactical applications.

Specifications

MPN20-100485
Barrel Length20
Twist Rate1:10
Caliber7.62x51 NATO

Available Merchants(3)

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KY Gun Company logo
KY Gun Company
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Out of Stock
$1,588
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Brownells logo
Brownells
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$1,699
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BattleHawk Armory logo
BattleHawk Armory
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$1,699
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Build history on GunPartPicker

Builders on GunPartPicker first added the Scar 20S 7.62x51 20in Barrel Assembly 1-10 to a build in February 2026.

It was out of stock everywhere we track for all of August 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $1,587.99 at KY Gun Company for when it comes back.

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Frequently Built With

The part most often added in each category by the 7 builds that include this one

Aero Precision M5 308 Winchester/7.62 NATO Assembled Upper Receiver - Cerakote FDE - APAR308505AC

Aero Precision M5 308 Winchester/7.62 NATO Assembled Upper Receiver - Cerakote FDE - APAR308505AC

Upper Receiver$168 · out of stockin 1 build
Aero Precision M5 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock

Aero Precision M5 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock

Lower Receiver$338 · out of stockin 1 build
Magpul RVG Rail Vertical Grip - Black

Magpul RVG Rail Vertical Grip - Black

Foregrip$18in 1 build
Franklin Armory AR-15 Bsfiii™ Binary Trigger Black Straight

Franklin Armory AR-15 Bsfiii™ Binary Trigger Black Straight

Triggerin 1 build
Norgon Ambi-Catch

Norgon Ambi-Catch

Magazine Release$125 · out of stockin 2 builds
Smith Tactics AR-15 Lightning Bolt Release

Smith Tactics AR-15 Lightning Bolt Release

Bolt Catch$60 · out of stockin 2 builds

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

88.8%
AR-1588.8%
AR-108.5%
AR-92.7%

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