Depending on what the choke constriction is, it will only get so tight. Have a gunsmith lengthen the forcing cone and polish the bore. If you need it tighter, you will have to consider backboring the barrel, or having screw-in chokes installed. sales@countrygunsmith.net
what is the market value of a remington 20 gauge semi-automatic sportsman 58 shotgun?
1930-1947
The value of a 20 gauge Remington Sportsman 58 would actually depend on a number of things. A couple of those things would be the age and condition.
Don't know for sure which you mean... Sportsman 1930-1947 Sportsman 48 1948-1968 Sportsman 58 1956-1963
Remington's website has a history section that you can look at.
50-200 or so
Your question answers itself.
Go to http://stevespages.com/page7b.htm
About 275 in good condition
If you look closely, I think it's a Sportsman 48 instead. Anywhere from $100-$300 depending on condition and options.
Best left to a qualified gunsmith.
probably 200-400 depending on condition