Posted by Faxon Firearms Staff on Oct 2nd 2026
Faxon Duty Series Barrels Explained: 4150 CMV, Nitride Inside and Out, and Which One to Buy
Duty Series • Barrel Guide
Short version: the Faxon Duty Series is our line of 4150 CMV AR-15, AR-10, and blowback PCC barrels: the M4 and M16 barrel alloy, button rifled, stress relieved, and
…