Q The Fix 6.5 CM 18" 1:8

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: 6.5 CM

Length: 18" 

Twist: 1:8