| American Arms |
Interchanges with Fausti/Traditions shotguns style threads |
| Austin & Halleck Black Powder Shotgun |
Interchanges with Winchester, Moss. 500 threads |
| Baikal/European American Arms |
Interchanges with Standard Tru Choke style threads |
| Benelli (Current production-square threads) |
Interchanges with Beretta style threads |
| Benelli Crio |
Interchanges with Sport II and SuperSport and Cordoba Produced prior to 2006 |
| Benelli Crio Plus |
Interchanges with Super Black Eagle 2, M-2, Ultra Light and current Sport II, Super Sport & Cordoba |
| Benelli M-4 |
Interchanges with Ber/Ben standard thread |
| Beretta (Current Production) |
Interchanges with Beretta style threads |
| Beretta (Old style-no threads-uses muzzle cap) |
No known Interchange |
| Beretta Optima |
Interchanges with Optima threads (Models 391A Extrema & 12ga. 391 Teknys) Silver Pigeon II & III |
| Beretta Optima Plus |
Interchanges with Optima Plus threads (Models 391A Extrema and 12ga. 391 Teknys) |
| Bernardelli |
No known interchange |
| Black Diamond 12ga |
Interchanges with Ber/Ben standard thread |
| Browning Invector |
Interchanges with Winchester, Moss 500, Weatherby, Maverick 88, S&W and Savage Guns style threads |
| Browning Invector Plus |
Interchanges with Browning Invector Plus, Winchester Super X2 and Winchester Supreme style threads |
| BSA |
Interchanges with Beretta/Benelli threads |
| BSA 20ga Silver Eagle |
Serial #201836 or higher is Ber/Ben if serial number is below, Huglu threads |
| Caeser Guerini |
Interchanges with Fab Arms |
| Century Arms/Kahn Centurion & Arthemis 12ga |
Interchanges with Berretta/Benelli |
| Century Arms/Kahn Centurion & Arthemis 20ga |
Interchange with Huglu style threads |
| Charles Daly Current Production Pumps, semi-autos, & Model 206 |
Interchanges with Remington Style threads |
| Charles Daly Current Production O/U |
Interchanges with Winchester style threads |
| Charles Daly S/S Field II, Model 306, & Model 106 |
Interchange with Beretta/Benelli style threads |
| Churchhill 12ga |
Interchanges with Fabarm style threads, some models American Arms Style threads |
| CZ USA 12ga |
Interchanges with standard Beretta/Benelli threads |
| CZ USA 20ga |
Interchanges with Huglu style threads |
| DeHaans 12ga |
Interchanges with Ber/Ben style threads |
| DeHaans 20ga |
Interchanges with Huglu style threads |
| Fabarm 12ga |
Interchanges with Fabarm style threads |
| F.A.I.R. (I Rizzini) |
Interchanges with Verona LX threads |
| Franchi SxS Highlander & O/U SL series |
No known interchange |
| Franchi (Current production-square thread) |
Interchanges with Beretta/Benelli style threads |
| Franchi (Old Style-v threads) Pre 1999 Models |
Interchanges with Fran Choke style threads |
| H&R 1871/N.E.F. 12ga & 20ga |
Interchanges with Winchester, Moss 500 etc. threads |
| H&R Pardner Pump |
Interchanges with Winchester, Moss 500 etc. threads |
| H&R Excell Auto 5 |
Interchanges with Verona SX threads |
| Hastings Choke Tube 1 (Old Style) |
Interchanges with Tru-Choke |
| Hastings Choke Tube 2 (Current Version) |
No known interchange |
| Huglu 12ga |
Interchange with Beretta/Benelli style threads |
| Huglu 20ga |
Interchange with Huglu |
| Ithaca (Old Style-Fine threads) |
Interchanges with Tru-Choke style threads |
| Ithaca (New Style 12ga.) |
Interchanges with Winchester style threads |
| Ithaca (All New Style 20ga.) |
Interchanges with Tru Choke style threads |
| Lanber 12ga |
Interchanges with Lanber style threads |
| Lanber Imported by American Arms |
Interchanges with American Arms style threads |
| Laurona (O/U) |
Interchanges with American Arms style threads |
| LC Smith 12ga (Marlin) |
Threads at top of tube are LC Smith Chokes, at bottom is American Arms |
| LC Smith 20ga (Marlin) |
Interchanges with Fran Choke threads |
| Legacy Sports Escort & Pointer 12ga |
Interchanges with Ber/Ben standard thread |
| Legacy Sports Escort 20ga |
Interchanges with Huglu style threads |
| Legacy Sports/Silma 12ga |
No known interchange |
| Luger |
No known interchange |
| Marrochi Golden Snip Field O/U |
Interchanges with Browning Invector Plus style threads |
| Maverick Model 88 |
Interchanges with Mossberg 500, Winchester, and Browning Invector style threads |
| Miroku |
Interchanges with Winchester style threads |
| Mossberg 500 & 535 |
Interchanges with Winchester, Weatherby, Browning Invector |
| Mossberg 835, 935 & 9200 |
Interchanges with 835 Mossberg style threads |
| Mossberg Silver Reserve 12ga |
Interchanges with Ben/Ber threads |
| Mossberg Silver Reserve 20ga |
Interchanges with Huglu style threads |
| New England |
Interchanges with Winchester, Weatherby, Browning Invector & Mossberg 500 style threads |
| Remington |
Interchanges with Remington style threads |
| Remington Pro Bore |
Fits Model 105CTi, All Parker Models, New 1100 Competition, & Premier O/U |
| Remington Spartan |
Interchanges with Tru-Choke threads |
| Renato Gambo |
No known interchange |
| Rizzini USA, (B) & (I) |
Interchanges with Verona LX Style threads |
| Rizzini (E) |
No known interchange |
| Ruger Older Models Pre 1992 |
Interchanges with Winchester style threads (Short chokes) |
| Ruger SC Newer Models |
Interchanges with Ruger SC style threads (Long chokes) |
| Ruger (Side by Side) Gold Label |
No known interchange |
| Sako/Tikka 12ga Some |
Interchange with Invector Plus and some with Valmet threads |
| Savage |
Interchanges with Winchester and Mossberg 500 style threads |
| Savage 411 |
Interchanges with Tru Choke style threads |
| Savage 512 |
Interchanges with Ber/Ben standard thread |
| SIG Arms |
No known interchange |
| SIG Arms (Aurora) |
Interchanges with Verona LX |
| SIG Arms (SA3) |
No known interchange |
| SKB Short Style |
Interchanges with Winchester and Mossberg 500 style threads |
| SKB Competition |
Interchanges with SKB Competition style chokes |
| Smith and Wesson Old Version |
Interchanges with Winchester, Mossberg 500 and Browning Invector style threads |
| Smith and Wesson Current version 2007 |
Interchanges with Ber/Ben standard thread |
| Stevens and Savage Model 411 |
Interchanges with Tru-Choke or Baikal style threads |
| Stoeger 2000 Semi Auto & P-350 Pump |
Interchanges with Beretta/Benelli threads |
| Stoeger 2000 Condor (O/U) |
Interchanges with Winchester style threads |
| Stoeger Luger (O/U) |
Interchanges with American Arms style threads |
| Stoeger Uplander (Side by Side) |
Interchanges with Winchester style threads |
Traditions Semi-Auto AIS2100 12 gauge
|
Interchanges with Beretta style threads/20gauge - No known interchange |
| Traditions Volo |
No known interchange |
| Thompson Center |
Interchanges with Winchester style threads |
| Tri-Star Phantom 411 and TR11 |
Interchanges with Rizzini style threads |
| Tri-Star Phantom Field & Model 380D |
Interchanges with Beretta style threads |
| Tri-Star Phantom HP |
No known interchange |
| Tri-Star Silver Series |
Interchanges with American Arms, Serial#4687037 or larger is Beretta/Benelli threads |
| Tri-Star Current 3 1/2 Semi Auto |
Interchanges with Crio Plus system |
| Tri Star Fab Arms |
No known interchange |
| Valmet |
Interchanges with Valmet threads |
| Verona LX O/U |
Interchanges with Verona LX threads |
| Verona 980 O/U |
No known interchange |
| Verona SX Semi Auto Models |
Interchanges with Verona SX threads |
| Weatherby |
Interchanges with Winchester, Mossberg 500 and Weatherby style threads |
| Winchester |
Interchanges with Winchester, Mossberg 500 Weatherby and Browning Invector style threads |
| Winchester Select Energy |
Interchanges with Browning Invector Plus |
| Winchester Super X2 and Supreme |
Interchanges with Browning Invector Plus style threads |