This choke reamer and tap bushing is for use with interchangeable pilot bushings. Round shaft for use in a lathe. Before use, be sure there is no constriction or choke in the barrel.
Tru-Choke for use with barrels that are too thin for Win-Choke. Outside diameter .020" smaller than Win-Choke.
Specific Choke Types:
12 gauge .795" - 44 tpi, accepts standard Tru-Choke tubes. 20 gauge .675" - 44 tpi
Tru-Choke thinwall for over and under, lightweight single shot, side by side with thin barrels. 0.020" thinner than standard Tru-Choke tubes.
12 gauge .775" - 44 tpi, accepts thinwall style tubes only.
Win-Choke for threading barrels to accept original equipment tubes from Win-Choke, Mossberg AccuChoke, Weatherby, Browning Invector.
12 gauge .814" - 32 tpi. 20 gauge 11/16" - 32 tpi.
Rem-Choke barrels will accept Rem-Choke and Remington factory tubes.
12 gauge .814" - 32 tpi.