This list is to be used soley as a guide. There are always exceptions.
No known interchange
Interchanges with Carlson's Long Invector (Browning Invector Plus) style threads
Interchanges with Carlson's Beretta/Benelli Mobil style threads
Interchanges with Carlson's Long Invector (Browning Invector Plus) style threads
Fixed Choke Barrels
Interchanges with (Rem) Remington Choke tube - Carlson's does not manufacture
Interchanges with Carlson's Long Invector (Browning Invector Plus) style threads
Interchanges with Carlson's Beretta/Benelli Mobil threads (tolerance can be very tight from factory)
Interchanges with Carlson's Long Invector (Browning Invector Plus) style threads
Some will interchange with Carlson's Beretta/Benelli Mobil threads. Most have no known interchange.
.410 Remington Pro Bore - Carlson's Does Not Make
Interchanges with Carlson's Beretta/Benelli Mobil style threads
Interchanges with Carlson's Beretta/Benelli Mobil threads
No known interchange
Interchanges with Short Invector (Winchester) style threads
No known interchange
Interchanges with Carlson's Beretta/Benelli Mobil style threads
Interchanges with Beretta/Benelli style threads
Interchanges with Carlson's Remington style Or Beretta Benelli Mobil style threads. Call us to verify.
Interchanges with Carlson's American Arms Fausti/Traditions shotguns style threads
Interchanges with Carlson's Fran Choke style threads
Pre- 2023 Interchanges with Carlson's Beretta/Benelli Mobil style threads. 2023 production Calvary could be Mobil or Stevens 555 choke systems.
No known interchange
Interchanges with Beretta/Benelli Mobil Style Threads
Interchanges with Carlson's Benelli Crio/Crio plus style threads
Interchanges with Beretta/Benelli Mobil Style Threads
No known interchange
Interchanges with Carlson's Winchester, Browning Invector & Mossberg 500 style threads
Interchanges with Carlson's standard Tru Choke style threads
No known interchange
No Interchange. No longer being used -- Limited use in Sport II, Legacy Sport, SuperSport and Cordoba produced prior to 2006
Interchanges with Carlson's Crio/Crio Plus (Super Black Eagle 2 & 3, M-2, Vinci, Super Vinci, Ultra Light, Legacy Sport (made after 2007), current Sport II, Super Sport, Cordoba, Ethos, Montefeltro, Montefeltro Silver & 828U)
Interchanges with Carlson's Beretta/Benelli Mobil style threads (SBE I, Nova & Super Nova, M-1, M-3, M-4, World Class, Legacy (after 2011), Legacy Sport, Montefeltro made prior to 2007)
Interchanges with Carlson's Beretta/Benelli Mobil style threads (A-300 Outlander, all 390, 686 Silver Pigeon I, II, III, & V, 687 EELL Diamond Pigeon
Interchanges with Carlson's Optima HP style threads (SV10 Perennia, SV10 Prevail, A300/A350/A400 Xplor, Mod. 1301, NEW 686 Silver Pigeon, UGB25, 471 Silver Hawk 12ga, 690 and Excel)
Interchanges with Carlson's Optima Plus style threads (Models 391A Extrema and 12ga. 391 Teknys TX4)
Interchanges with Carlson's Optima threads (Models 391A Extrema, 391 Urika 2, DT-10, 682 Gold 391 Teknys, Silver Pigeon II & III)
Interchanges with Carlson's Beretta/Benelli Mobil style threads
No known interchange
Threads at bottom of choke - Win/Browning Invector/Mossberg style threads (some have no known interchange). Threads at top of choke = Beretta/Benelli Mobil style threads
Interchanges with Carlson's Beretta/Benelli Mobil style threads
Interchanges with Carlson's Browning Invector DS (New A5, 725 Citori)
Interchanges with Carlson's Browning Invector Plus (Winchester SX2, SX3, SX4 & SXP, New Supreme & 101 models, Browning Maxus, Citori 12 & 20, Gold Hunter, Silver, White Lightning)
Interchanges with Carlson's Winchester, Browning Invector & Mossberg 500 style threads
Interchanges with Carlson's Beretta/Benelli Mobil style threads
Serial #201836 or higher is Beretta/Benelli style threads. If serial number is below, Huglu style threads
Interchanges with Carlson's Caesar Guerini Maxis style threads
No known interchange
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