I had a Bushnell T-Dot on my 3 1/2 in 12 guage. Didn't last 40 runds and the recoil took the lenses out of it. That 460 is going to have some crack to it so I would go better.
"It is when people forget God that tyrants forge their chains." Patrick Henery ... "The thing that separates the American Christian from every other person on earth is the fact that he would rather die on his feet, than live on his knees!" George Washington