I would go to Numrich Gun Parts Corp.
Parts neededwe have a ranger model 103.2 works good but need a clip and triger guard. help us find the parts or make offerfor magazine check with: edsportshop.com
Proofhouse.com has a store brand chart that might help. Try gun shops, gun shows, e-gunparts.com and want ads for parts
midway gun parts
You can purchase parts for a Ranger model 30 16 gauge shotgun at these locations. Gunbroker, Topgunsupply, Budsgunshop, Gunpartshop and Midwayusa.
Try gun shops, gun shows, want ads, e-gunparts.com
I just bought a 58b and found the magazine at numrich gun parts.
yes, I own two model 60s and one model 75. Most of their parts are interchangeable. The tube magazine and the barrel are shorter on the model 75.
Your gun is a Savage/Stevens Model 86. gunpartscorp.com has some parts. After that it is a long search.
The Ranger model 103-8 is a Sears rifle that was made between 1936 and 1941. The gun generally has a horse or horse head etched or stamped on it.
Try a want ad, for sale ads, gun show, gun shop