Yes
Yes
A great weapon but would require a good shot due to the small caliber
You need the services of a good gunsmith
If you mean CARTRIDGES for a .303 Enfield rifle, also known as .303 British, depends on which cartridge, and where you are. In Virginia in the US, civilian hunting ammo may retail for $35/ 20 rounds. Careful shopping for surplus ammo may be less.
Try Springfield Sporters they have a good selection of Enfield parts.
yes there is a springfield .303 i have one from 1942 its a springfield rifle with a .303 british barrell
Depends on in which nation the rifle was built.
See the link below to a good Wikipedia article on the Lee Enfield. There are several DIFFERENT .303 Enfield rifles.
What is my 303 savage model 99 worth?
303
303
No.