Faxon starts with 4150 mil-spec steel from there, each barrel goes through a battery of tests at each operation until finished in nitride and final inspected.All barrels are individually checked for headspace by precision custom hardened gauges.Features button rifling; big gunner profile; carbine barrel gas system; salt wash nitride inside and outside finish; m18x1.5 thread, tapered shoulder and 11 degree target crowned.1.9" gas block journal.

Length: 16"
Model: Big Gunner
Twist: 1:3"
Finish: Salt Bath Nitride
Barrel Type: Button Rifled