savage 24 S-E
The last savage model 24(the predator model) was discontinued in the year 2007.
Parts of Savage Springfield Model 18 are available at Gun Parts Corporation. These can also be bought from Field and Stream.
E-gunparts.com, gun shows, gun shops, want ads
Model 24 .22/410 dates to around 1954. The Model 24 came in many "combo" gauges over the years. I own a Savage 24 .22/410 that was purchased new in 1955. Hope this helps.
Try Savage model 94
Bobs gun parts
The Savage model 24B was introduced in the year 1950 along with the model 24.These were made until 1965.
Try Numrich Gun Parts, I belive they have parts for them.
gunpartscorp.com seems to have everything you have to check your model number but most of the parts seem to there