Other contributors have said "How was the bore of a shotgun determined?" is the same question as "What is the bore of a 12 gauge shotgun?" If you believe that these are not asking the same thing and should be answered differently, click here
A 10 guage is more powerful with more kick and better range, a 12 guage is the standard issue hunting and war shotgun, it is better if you are not an experienced shooter, it also depends upon what...
Yes, provided the gun does not have a full choke. Cylinder bore (no choke) shotguns are best. A full choke may cause the flare to get stuck. If the flare gets stuck in the barrel it may melt it, or...
There is not enough information to set a value. Is it still working? How old is it? Who made it? What model is it? What condition is it in? Without this information no estimate of value can be...
I can't find either of those models in my cross-reference list. Closest is .5350 or .5380. Both of these are the Savage model 18. I don't know the production years for this model, but a bolt-action...