10-100 usd
100 or so
$300--$550, depending on exact model and condition
Try e-gunparts.com
10-150 USD or so
50-175 USD
50-125 USD or so
Depends on if you are loading shorts, longs or long rifles.
Blue Book of Gun Values
Rossi
50-125 USD
Rossi IS the maker. Rossi is currently owned by Taurus.