Hi Glen, This Weatherby Element includes 3 Integral Multi Choke (IMC) Pattern Choke Tubes: Full, Modified, and Improved Cylinder.
Note: Weatherby's IMC thread pattern, for Weatherby Branded Choke Tubes, is also compatible with Browning Invector, Mossberg Accu-Choke and Win-Choke, which all share the same screw in thread pattern.
Stay safe & have a great day!

Glen, this can use a variety of chokes that share the same thread pattern like browning invector chokes, accuchokes, or win chokes. This also includes 3 chokes, Full, Modified, and Improved Cylinder. Hope this helps.

Hi Glen and welcome to the Buds Community. Included are:
3 Integral Multi Choke (IMC) Pattern Choke Tubes: Full, Modified, and Improved Cylinder. (**Also includes a Choke Wrench**) -
It is also compatible with Browning Invector, Mossberg Accu-Choke and Win-Choke, which all share the same screw in thread pattern. Cheers and stay safe!