Extra Barrels

Complete barrel assembly for use with mcr rifles and upper receiver assemblies.Includes barrel extension with fixed headspace, gas block assembly, 4 position regulator, piston, flash hider and dovetail cover.100% made in usa.Twist: 1:7"Sights:...

Complete barrel assembly for use with mcr rifles and upper receiver assemblies.Includes barrel extension with fixed headspace, gas block assembly, 4 position regulator, piston, flash hider and dovetail cover.100% made in usa.Twist: 1:7"Sights:...

Up to 64% lighter than traditional steel barrels of similar contour.Improved heat dissipation for cooler and longer lasting barrels.Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.Length: 20"Model:...

Up to 64% lighter than traditional steel barrels of similar contour.Improved heat dissipation for cooler and longer lasting barrels.Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.Length: 22"Model:...

Up to 64% lighter than traditional steel barrels of similar contour.Improved heat dissipation for cooler and longer lasting barrels.Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.Length: 26"Model:...

Up to 64% lighter than traditional steel barrels of similar contour.Improved heat dissipation for cooler and longer lasting barrels.Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.Length: 24"Model:...

Proof research's barrels exemplifies relentless pursuit of excellence.Whatever your preference is, you can expect the finest rifle barrel in the industry.The carbon fiber barrel features a full-profile, match-grade 416r stainless steel barrel blanks that...

Proof research's barrels exemplifies relentless pursuit of excellence.Whatever your preference is, you can expect the finest rifle barrel in the industry.The carbon fiber barrel features a full-profile, match-grade 416r stainless steel barrel blanks that...

Proof research's barrels exemplifies relentless pursuit of excellence.Whatever your preference is, you can expect the finest rifle barrel in the industry.The carbon fiber barrel features a full-profile, match-grade 416r stainless steel barrel blanks that...

Proof research's barrels exemplifies relentless pursuit of excellence.Whatever your preference is, you can expect the finest rifle barrel in the industry.The carbon fiber barrel features a full-profile, match-grade 416r stainless steel barrel blanks that...

Up to 64% lighter than traditional steel barrels of similar contour.Improved heat dissipation for cooler and longer lasting barrels.Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.Length: 11.50"Model:...

Up to 64% lighter than traditional steel barrels of similar contour.Improved heat dissipation for cooler and longer lasting barrels.Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.Length: 16"Model:...