Saw this and thought an 835 guy might want to snag it, they only have 1 in stock:
Indian Creek Black Diamond Strike Turkey Choke Tube Mossberg Accu-Mag 12 Gauge .675" Constriction- Blemished - $51.58
https://www.midwayusa.com/product/374353/indian-creek-black-diamond-strike-turkey-choke-tube-mossberg-accu-mag-12-gauge-675-constriction-blemished