50-200 depending on specifics
Mossberg
Any mossberg 500 stock will fit
.020
yes.
Modified choke with the 28" barrel.
I'm not sure about this but i remember seeing somewhere on the internet the value was from $75 to $125
0.604 inches http://www.wildfowlmag.com/tips_strategies/shotgun_062304/
no
Your revelation R310C western auto shotgun is a Mossberg model 500C which was made by Mossberg and Sons for Western Auto.
modified or cylinder - get both and try them out
50-150 or so
The 12 gauge pump Western Field shotgun, M550ABD with a c-lect choke is valued at $200 in good condition. It is valued at $100 in fair condition.