lee enfield no1 mk3 parts

[lee-enfield shooter]

does anyone know a place where i can buy parts for a lee enfield no1 mk3 dated 1917? I bought it used for $135. It had been sporterized and had the rings around the bolt removed. It also had the muzzle cap removed. I was wondering where i could find those parts in the U.S.

 

[cleardiddion]

You could try numrich gun parts.
Just my .02

 

[lee-enfield shooter]

also i fogot to ask. What are the rings around the bolt assemble called?