| TG170X |
(.665 choke dia.) Remington 870 / 1100 /
11-87;
Charles Daly pumps / semi-autos |
| TG171X |
(.695 choke dia.) Mossberg 835 Ulti-Mag /
935 Magnum |
| TG172X |
(.655 choke dia.) Winchester 1200 / 1300 / 1400;
Browning Invector Series; Charles Daly O / U; H&R (excluding Excell Auto); Ithaca; Mossberg 500 / 9200; New England Firearms; SKB; Stoeger Coach / Condor / Uplander; Weatherby |
| TG174X |
(.665 choke dia.) Beretta "Optima-Choke Plus" |
| TG175X |
(.665 choke dia.) Benelli; Beretta "Mobilchoke"; Franchi; Stoeger pumps / semi-autos |
| TG176X |
(.665 choke dia.) Browning Invector Plus;
Winchester Super X2 / X3 / Supreme; Sako / Tika |
| TG177X |
(.565 choke dia.) (20GA.) Remington and most Charles Daly |
