Tough question, the Remington model 550 is a .22 rifle not a 12 gauge shotgun.
30p
800
100-1000 depending on specifics
300 or so
The 1100 designation for a Remington shotgun is the model number. Remington makes the 1100 model in a trap version and a field version.
You can request an owner's manual for free at the Remington website.
Model 58 is an automatic not a bolt action
A Remington model 31 16 gauge shotgun is worth between $200 and $600 depending on its condition. These shotguns were commonly used for sport and recreational shooting.
The Remington model 11 shotgun was chambered in 12,16,20 gauge.Your shotgun should be marked as to which gauge it is chambered for.If it is worn away due to time and use,have a competent gunsmith check the chamber for the correct gauge. Model 11 is also one of the few firearms (by Remington at least) the have different serial ranges for gauge. 12 gauge - approximately 10,000 - 794,990 16 gauge - approximately 1,500,000 - 1,557,000 20 gauge - approximately 1,000,000 - 1,075,000
$500 and up depending on condition
$500 and up, depending on condition