You may not need a optical device for your turkey gun. If you want to be precise and or have problems with your 50 year old eyes I say go for it. I did last year and tipped over all I aimed at and squeezed the trigger on. Three toms and a 45 lb coyota. (I alsoworked the trigger )
I had missed birds in years before with open sights but this set up made me a believer.
Mine has a Cabelas Alaskan Guide 2.5 X 32 camo with diamond plex.

ye-haw!