The Proof Research .308 Winchester 16in Q Fix Carbon Fiber Barrel (brand part no. 114506) is a carbon-fiber-wrapped barrel chambered in .308 Winchester and cut to 16 inches, built to Proof Research’s own Q Fix quick-change barrel interface so a Q Fix-pattern rifle owner can swap chamberings without gunsmithing.

Key Specifications

• Chambered in .308 Winchester
• Barrel length of 16 inches, at the federal minimum rifle length
• Rifling twist rate of 1-in-10
• Muzzle threaded 5/8-24
• Finished weight of approximately 2 lb
• Machined to Proof’s own Q Fix quick-change barrel interface
• Constructed from carbon fiber over a stainless steel liner, cutting weight versus an all-steel barrel

Frequently Asked Questions

Does this barrel fit any Q Fix action? It is machined specifically to Proof’s Q Fix interface; confirm your action uses this quick-change system before ordering.

Can I swap calibers with this system? Yes, the Q Fix interface is designed to let an owner change barrels and chamberings without gunsmithing.

Buy the Proof Research .308 Winchester 16in Q Fix Carbon Fiber Barrel

Order the Proof Research .308 Winchester 16in Q Fix Carbon Fiber Barrel from our catalog, or browse more rifle barrels at Schaefer Defense. Ships fast from our Lubbock, Texas gun shop.