Carbon Fiber AR-15

Proof Research AR15 Carbon Fiber Barrel 22 ARC 22" 1:7 Twist

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Proof Research AR15 Carbon Fiber Barrel 22 ARC 20" 1:7 Twist

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Proof Research AR15 Carbon Fiber Barrel 22 ARC 18" 1:7 Twist

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Proof Research AR15 Carbon Fiber Barrel 22 ARC 16" 1:7 Twist

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Proof Research AR15 Carbon Fiber Barrel 6 ARC 22" 1:7.5 Twist

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Proof Research AR15 Carbon Fiber Barrel 204 Ruger 24" Rifle Gas 10T

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Proof Research AR15 Carbon Fiber Barrel 6.5 Grendel 12.5"

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Proof Research AR15 Carbon Fiber Barrel 300 Blackout 10.5" Pistol Gas 7T

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Proof Research AR15 Carbon Fiber Barrel 6.5 Grendel 18" Rifle .875 Gas Block

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Proof Research AR15 Carbon Fiber Barrel 223 WYLDE 20" Rifle Gas 8T

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Proof Research AR15 Carbon Fiber Barrel 223 WYLDE 14.5" Mid Gas 8T

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Proof Research AR15 Carbon Fiber Barrel 223 WYLDE 14.5" Mid Gas 7T

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Proof Research AR15 Carbon Fiber Barrel 223 WYLDE 11.5" Carbine Gas 7T

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Proof Research AR15 Carbon Fiber Barrel 204 Ruger 20" Rifle Gas 10T

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Proof Research AR15 Carbon Fiber Barrel 6 ARC 14.5" 1:7.5 Twist

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Proof Research AR15 Carbon Fiber Barrel 6.8 SPC 16" Rifle .750 Gas 10T

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Proof Research AR15 Carbon Fiber Barrel 223 WYLDE 16" Mid Gas 8T

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Proof Research AR15 Carbon Fiber Barrel 223 WYLDE 16" Intermediate Gas 8T

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Proof Research AR15 Carbon Fiber Barrel 6 ARC 16" 1:7.5 Twist

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Proof Research AR15 Carbon Fiber Barrel 300 Blackout 16" CARBINE GAS 8T

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Proof Research AR15 Carbon Fiber Barrel 6.5 Grendel 18" Rifle .750 Gas 8T

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Proof Research AR15 Carbon Fiber Barrel 6.8 SPC 18" Rifle .750 Gas 10T

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Proof Research AR15 Carbon Fiber Barrel 223 WYLDE 18" Rifle Gas 7T

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