RMR on a shotgun

#2
If the VersaMax uses the standard 4-hole Remington thread pattern, my initial thought would be to buy the Aridus CROM RMR mount coming out in the next couple months and then use a Wilson ghost ring front sight. This would give you a good mount for your RMR, plus backup sights.

As for zeroing it... that's going to depend a whole lot on how you're planning to use it. If it were me trying to use buck at standard HD distances... maybe 15yds. If I thought I was going to have to toss slugs further, well, maybe more like 25-50yds. The good thing about shotguns is that you've got low height over bore, so you won't need to have a substantial holdover at closer ranges like you would on an AR.
 
#3
Well I’m going to be using it for hunting most for things that fly or run really fast,ie ducks doves and rabbits. But the mount solution seems pretty solid.
 
#4
Have a Scalarworks RMR mount on my Benelli M4. Works like a champ and cowitnesses. I don't know jack about the versamax but for the benelli it was about the only thing I could find to get the optic down low enough for any sort of usable cowitness in the event of optic failure.
 
#5
I have a holosun 507c on my duty gun. The thing is super rugged and has held zero through several drops and bumps and many rounds. It came with a low profile rail attachment so I just popped a rail on the receiver and it was good to go.
 
#6
Have a Scalarworks RMR mount on my Benelli M4. Works like a champ and cowitnesses. I don't know jack about the versamax but for the benelli it was about the only thing I could find to get the optic down low enough for any sort of usable cowitness in the event of optic failure.
I have the same setup. Sighted in with slugs at 50yds. Everything else has been spot on.
 
#9
No experience but Aim-tech has some extremely low profile ones that mount to the vent-rib. Looking at putting some on my 930 JM Pro or M2