Faxon Firearms Duty Series BBL for M&P Shield / Plus /Glock 19 3.7in Barrel 9mm 1-10 Twist 4150 Thrd Black Nitride PA910NSNOQ-T. These barrels are then given a black Nitride coating to increase lubricity barrel life and resistance to surface wear....
Faxon Firearms Duty Series BBL for M&P Shield / Plus /Glock 19 3.7in Barrel 9mm 1-10 Twist 4150 Thrd Black Nitride PA910NSNOQ-T. These barrels are then given a black Nitride coating to increase lubricity barrel life and resistance to surface wear....