WTB: 20ga SA-459 Choke (IMC thread, invector, accu, win)

[bamahunter]

Looking for choke(s) for my 20ga Weatherby SA-459. It won't accept invector+ but can use the ones listed in title (Win-choke, Accu-Choke, and Invector). Im looking for something in the .568-.575 diameter. Let me know if you have something in like new condition, 2564317366.