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Proof Research PR15 Barrel 6mm ARC 20" 1:7.5" Twist Carbon Fiber
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parts

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May 20, 2026

Proof Research PR15 Barrel 6mm ARC 20" 1:7.5" Twist Carbon Fiber

Sold byMidwayUSA•Posted May 18, 2026
Compare prices for Proof Research PR15 Barrel 6mm ARC 20" 1:7.5" Twist Carbon Fiber

$999.00

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Proof Research's steel barrels are produced in-house from double-stress relieved 416R stainless steel. This pre-hardened chromium steel is ideally suited for match grade rifle barrels. Each barrel is drilled, contoured and reamed to bore diameter. It is then cut rifled, lapped, and inspected via borescope. This ensures an extremely consistent and accurate finished product.Proof Research's Carbon Fiber Barrel manufacturing process begins with full-profile, match-grade 416R stainless steel barrel

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Lowest Price: $887.00

Highest Price: $999.00

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Proof Research 130438 AR-Style Barrel 6mm ARC 20 in Rifle +1 Length Gas System 1:7.5 in Twist 4 Groovest 5/8-24 tpit Carbon Fiber Wrapped

Proof Research 130438 AR-Style Barrel 6mm ARC 20 in Rifle +1 Length Gas System 1:7.5 in Twist 4 Groovest 5/8-24 tpit Carbon Fiber Wrapped

Proof ResearchHinterland OutfittersSKU/UPC: 195048
$887.00
View at Hinterland Outfitters
PROOF BBL CF AR15 6ARC 20 RIFLE .750 1-7.5

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Proof ResearchBattleHawk ArmorySKU/UPC: 843068130438
$895.13$1,149.00Save 22%
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Ar-15 6mm Arc Carbon Fiber Barrel - 6mm Arc 1-7.5 Twist 20'''' Carbon Fiber Barrel

Ar-15 6mm Arc Carbon Fiber Barrel - 6mm Arc 1-7.5 Twist 20'''' Carbon Fiber Barrel

Proof ResearchBrownellsSKU/UPC: 430105961
$949.00
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Current Deal
Proof Research PR15 Barrel 6mm ARC 20" 1:7.5" Twist Carbon Fiber

Proof Research PR15 Barrel 6mm ARC 20" 1:7.5" Twist Carbon Fiber

Proof ResearchMidwayUSASKU/UPC: 565572
$999.00
View at MidwayUSA
Proof Research 130438 AR-Style Barrel 6mm ARC 20" Rifle +1 Length Gas System 1:7.5" Twist 4 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

Proof Research 130438 AR-Style Barrel 6mm ARC 20" Rifle +1 Length Gas System 1:7.5" Twist 4 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

Proof ResearchShooting SurplusSKU/UPC: 152026
$999.00
View at Shooting Surplus