A .177 caliber air rifle has very little recoil.
Model 317 was made between 1940 to 1969. Unfortunately you did not state the condition of the rifle so no estimate of value can be given.
.177 airguns in india
No
The Jaguar mfg 1940-1970's .177 cal 100%=$150, 90%=$110, 60%=$80
Ask a gunsmith.
No they won't fit. If you force it, it will ruin the rifle.
No
It all depends on the rifle, pellet and power source.
This is a .177 pellet rifle.
If you are serious about air rifle .177 competition then there are several to choose from (See the link below) But I would select one of the Feinwerkbau P700 models.
It depends on the model and the condition of the RIFLE.