Parts for a model 340b Savage rifle are available at some online and brick-and-mortar locations. They are generally available at gun shops, pawnshops, garage sales, want ads and gun shows.
The Model 340b is a vintage bolt-action rifle that is no longer in production. Thus, parts can be difficult to locate. Specialty gun parts suppliers like Wisner’s and Savage 99 offer a large selection of hard to find parts. General retailers such as Amazon offer a limited number of parts for this rifle. Auction and trading sites such as The Gun Broker and Gun Auction are good resources for parts.