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.308 Proof Research

Proof Research is a leader in firearm innovation, specializing in advanced carbon fiber barrels and precision rifle systems engineered for extreme accuracy and reduced weight. Their patented manufacturing process combines aerospace-grade materials with rigorous quality control, resulting in barrels that are up to 50% lighter than traditional steel while maintaining match-grade performance and durability. Shop Proof Research rifles and barrels to experience their commitment to precision and reliability. Featured products include popular chamberings like .223 Rem and 7mm PRC, available in bolt-action platforms designed for hunters and long-range shooters. Each barrel is crafted from 416R stainless steel and wrapped with aerospace-grade carbon fiber for superior strength, stiffness, and thermal performance. Browse Proof Research to find high-performance solutions for demanding environments.

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17 Product(s)
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Proof Research Bolt Action Barrel 134474 18" Carbon Fiber 308 Win 1:10 Twist 5/8-24 Pre-Fit for Sig Cross

Proof Research Bolt Action Barrel 134474 18" Carbon Fiber 308 Win 1:10 Twist 5/8-24 Pre-Fit for Sig Cross

$1149 00
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Proof Research 136201 Ascension 4+1 20" Carbon Fiber Wrapped, Black Titanium Action, Tfde Monte Carlo Stock with Raised Comb, TriggerTech Trigger

Proof Research 136201 Ascension 4+1 20" Carbon Fiber Wrapped, Black Titanium Action, Tfde Monte Carlo Stock with Raised Comb, TriggerTech Trigger

$7099 00
In Stock
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Proof Research 100028 AR-Style Barrel 308 Win 18" Rifle Length Gas System 1:10" Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

Proof Research 100028 AR-Style Barrel 308 Win 18" Rifle Length Gas System 1:10" Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

$999 00
In Stock
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Proof Research 134467 Sig Cross Carbon Fiber Pre-Fit Barrel .308 Win 16"

Proof Research 134467 Sig Cross Carbon Fiber Pre-Fit Barrel .308 Win 16"

$1149 00
In Stock
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Proof Research 137819 Elevation 2.0 Left Hand 20 CF Black

Proof Research 137819 Elevation 2.0 Left Hand 20 CF Black

$3099 00
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Proof Research 107959 Bolt Action Barrel Blank 308 Cal 26" Sendero Contour 1:9" Twist 5 Grooves, Carbon Fiber Wrapped

Proof Research 107959 Bolt Action Barrel Blank 308 Cal 26" Sendero Contour 1:9" Twist 5 Grooves, Carbon Fiber Wrapped

$899 00
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Proof Research 110157 Bolt Action Barrel Blank 308 Cal 24" Sendero Contour 1:9" Twist 5 Grooves, Carbon Fiber Wrapped

Proof Research 110157 Bolt Action Barrel Blank 308 Cal 24" Sendero Contour 1:9" Twist 5 Grooves, Carbon Fiber Wrapped

$899 00
In Stock
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Proof 137994 Elev 2.0 MTR 308 20 5/8-24 BGR

Proof 137994 Elev 2.0 MTR 308 20 5/8-24 BGR

$3399 00
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Proof Research 137826 Elevation 2.0 Left Hand 20 CF Tfde

Proof Research 137826 Elevation 2.0 Left Hand 20 CF Tfde

$3099 00
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Proof 137673 Elev 2.0 308 10TW 5/8-24 BGR

Proof 137673 Elev 2.0 308 10TW 5/8-24 BGR

$3099 00
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Proof Research 134481 Barrel Bolt .308 Winchester 20 CF SIG Cross Drop IN

Proof Research 134481 Barrel Bolt .308 Winchester 20 CF SIG Cross Drop IN

Out of Stock
Proof Research 101018 Carbon Fiber Bolt Action 308 Winchester 26" Barrel Blank with Sendero Contour

Proof Research 101018 Carbon Fiber Bolt Action 308 Winchester 26" Barrel Blank with Sendero Contour

Out of Stock
Proof Research 137680 Elevation 2.0 RH 20 CF Tfde

Proof Research 137680 Elevation 2.0 RH 20 CF Tfde

Out of Stock
Proof Research 101001 Bolt Action Barrel Blank 308 Cal 24" Sendero Contour 1:10" Twist 5 Grooves, Carbon Fiber Wrapped

Proof Research 101001 Bolt Action Barrel Blank 308 Cal 24" Sendero Contour 1:10" Twist 5 Grooves, Carbon Fiber Wrapped

Out of Stock
Proof Research 100998 Bolt Action Barrel Blank 308 Cal 22" Sendero Contour 1:10" Twist 5 Grooves, Carbon Fiber Wrapped

Proof Research 100998 Bolt Action Barrel Blank 308 Cal 22" Sendero Contour 1:10" Twist 5 Grooves, Carbon Fiber Wrapped

Out of Stock
Proof Elevation MTR Rifle 308 Win 5/rd 20" Carbon Fiber Barrel Black Granite

Proof Elevation MTR Rifle 308 Win 5/rd 20" Carbon Fiber Barrel Black Granite

Out of Stock
Proof Research 128312 Elevation 308 Win 20" CF BRL 5/8-24

Proof Research 128312 Elevation 308 Win 20" CF BRL 5/8-24

Out of Stock
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