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Proof Research .308 Win 20" PR10 Rifle Barrel - 101292
In StockSave 10%

Caliber

308/7.62x51

Type

parts

Last Seen

May 19, 2026

Proof Research .308 Win 20" PR10 Rifle Barrel - 101292

Sold byPalmetto State ArmoryPosted May 18, 2026
Compare prices for Proof Research AR-10 Barrel 308 Winchester 20" Heavy Contour 1:10" Twist

$999.99

$1,109.99

You save $110.00 (10% off)

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Deal Details

We have designed our AR barrels with the goal of improving performance and reliability in the AR platform. Our patented Caliber Matched Gas System (CAMGAS) results in a gas system that is tuned specifically for the cartridge and length of the barrel. The AR-15 Platform was originally designed around the 223REM and 5.56NATO cartridges and the AR-10 was designed around the 308 Win/7.62NATO round. With higher performance cartridges such as the 22 Nosler and 6.5 Creedmoor, the bore pressure remains

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Lowest Price: $824.60

Highest Price: $999.99

You Save: $175.39

Avg Discount: 9% off

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Proof Research 101292 AR-Style Barrel 308 Win 20 AR Platform 416R Stainless Steel Carbon Fiber Rifle Length with .875 Gas Journal

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Proof Research 101292 AR-Style 308 Win 20 in Length Gas System 1:10 in Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped, Rifle Barrel

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0GrabAGunSKU/UPC: GAG_101292-115025
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Proof Research AR-10 Barrel 308 Winchester 20" Heavy Contour 1:10" Twist

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Proof ResearchMidwayUSASKU/UPC: 295910
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Ar 308 308 Winchester Carbon Fiber Barrel - 308 Winchester 1-10 Twist 20'''' Carbon Fiber Barrel

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Current Deal
Proof Research .308 Win 20" PR10 Rifle Barrel - 101292

Proof Research .308 Win 20" PR10 Rifle Barrel - 101292

Proof ResearchPalmetto State ArmorySKU/UPC: 789274
$999.99$1,109.99Save 10%
View at Palmetto State Armory