TG180X(.665)
Remington Remchoke 870 / 1100 / 11-87 / 887; Charles Daly pumps, and semi-automatics; Mossberg Pro-Factor PF3
TG181X (.680)
Mossberg 3.5 AccuChoke 835 Ulti-Mag / 935 Magnum
TG182X (.665)
Winchester WinChoke 1200 / 1300 / 1400; Browning Invector; Charles Daly Over-Under models; H&R (excluding Excell automatic); Ithaca; Maverick Arms 88, Mossberg Pro-Factor PF1 500 / 535 / 9200 / 930; New England Firearms; SKB; Stoeger Coach / Conor / Uplander; Weatherby
TG183X(.665)
Benelli Crio
TG184X(.665)
Beretta OptimaChoke Plus
TG185X(.665)
Benelli / Beretta Mobil choke; Franchi; Stoeger; Pumps, and semi automatics; Mossberg Pro-factor PF2 Silver Reserve
TG186X(.665)
Browning Invector Plus; Winchester Super X2 / X3 / Supreme, Sako / Tikka