Weatherby produces or has produced shotguns with the IMC, Mobil, and Crio choke thread patterns, and the models that use each pattern are listed below.
IMC (Integral Multi Choke)
SA-08 (12 & 20 gauges only)
SA-459 Turkey Xtra Green & SA-459 Turkey Black (Current Production Models)
Element (12 & 20 gauges only)
The IMC choke tube thread pattern is compatible with the following choke tube patterns: Browning Invector (not Plus), Mossberg Accu-Choke and Win-Choke.
Beretta/Benelli Mobil Choke
SA-459 (Discontinued Model with Raised Sights)
SA-459 Turkey Mothwing Spring Mimicry (Discontinued Model)
SA-08 (28 Gauge only)
Suggested aftermarket choke tube manufacturers:
Weatherby recommends slugs only be fired using a non-ported cylinder choke. Refer to our FAQ on the use of slugs in your Weatherby shotgun.