Carlson's Choke Tubes Cremator Ported 20 Gauge Choke Tube Win MR Black NSN N 11488. TST is a series of three graduated rings in the taper section of the choke tube that allows a more gradual transition from the shotgun bore to the final constriction....
Carlson's Choke Tubes Cremator Ported 20 Gauge Choke Tube Win MR Black NSN N 11488. TST is a series of three graduated rings in the taper section of the choke tube that allows a more gradual transition from the shotgun bore to the final constriction....