RE: New To Turkey Hunting
20ga. will work fine if you keep your shots close.a 3" 20ga. is the same as a 2 3/4 12ga and there has been thousands take with 12ga.
pattern your gun with different shells.#6 works well in the one I had,took several with it. I never shot past 25yrds.that keeps you waiting on the right shot.
good luck in your hunts.
I am not a hunter I am a whitetail population reduction specialest
remember keep your back to the sun, your knife sharp, and your powder dry.