PRODUCT NAME: ITEM NO: GTC180 (.665 choke dia.) Remington 870 / 1100 / 11-87; Charles Daly pumps / semi-autos GTC181 (.695 choke dia.) Mossberg 835 Ulti-Mag / 935 Magnum GTC182 (.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 GTC183 (.665 choke dia.) Beretta 'Optima-Choke Plus' GTC184 (.665 choke dia.) Benelli; Beretta 'Mobilchoke'; Franchi; Stoeger pumps / semi-autos GTC185 (.665 choke dia.) Browning Invector Plus; Winchester Super X2 / X3 / Supreme; Sako / Tika GTC186 (.565 choke dia.) (20GA.) Remington and most Charles Daly GTC160 (.643 choke dia.) Remington 870 / 1100 / 11-87;Charles Daly pumps / semi-autos GTC161 (.670 choke dia.) Mossberg 835 Ulti-Mag / 935 Magnum GTC162 (.643 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 GTC163 (.643 choke dia.) Beretta 'Optima-Choke Plus' GTC164 (.643 choke dia.) Benelli; Beretta 'Mobilchoke'; Franchi; Stoeger pumps / semi-autos GTC165 (.643 choke dia.) Browning Invector Plus; Winchester Super X2 / X3 / Supreme; Sako / Tika GTC166 (.550 choke dia.) (20GA.) Remington and most Charles Daly