Tough question, the Remington model 550 is a .22 rifle not a 12 gauge shotgun.
300 or so
100-1000 depending on specifics
Model 58 is an automatic not a bolt action
$500 and up, depending on condition
remington wingmaster 16 gauge
The Model 1894 Remington was a side-by-side shotgun. The Model 1893 was a single-barrel shotgun with a side hammer. The 1893 in excellent original condition can bring $300.
50-1000 USD or more depending on specifics
New in the box - $500-600.
About 275 in good condition