Proof Research Carbon Fiber Q The Fix Pre-fit | 6 CM

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When PROOF Research was formed in 2012, our vision was both simple and extraordinary. Our truly innovative founders envisioned a company that would apply advanced science, new technologies, aerospace-grade materials and manufacturing excellence to produce a new class of products that would truly revolutionize the firearms industry. Our pre-fit barrels exemplify our founders’ pursuit of relentless excellence.

Our Q Fix & Mini Fix Pre-Fit carbon fiber barrels are available in select calibers, lengths and twists. Your pre-fit barrel will arrive chambered and include the barrel extension for proper installation.


Action: The Fix

Chamber: 6 CM

Twist: 1:7.5

Muzzle: 5/8-24