Stern Defense SD .40SW AR-15 Barrel 4in .578-28 TPI 1-16 Twist Rate Black 006-40SW BR4IN-D1-M
$97.00
Stern Defense SD .40SW AR-15 Barrel 4in .578-28 TPI 1-16 Twist Rate Black 006-40SW BR4IN-D1-M. 40S&W barrels are ideal for gun lovers who want to build their own custom dedicated .40S&W AR15 upper group. Machined to tight tolerances with quality as a...