Gun Shops And Internet!
Gun Parts Corp has correct Higgins buttplates, but they would have to be fitted to the stock.
Gun parts Numrich Arms West Hurley New York. Or, we have them. email@example.com
numrich gun parst e-gunparts.com this is a complet book on parts and prices.
I have quite a few. firstname.lastname@example.org
We have parts for that model. email@example.com
J.C. Higgins company
It will not be easy to find a manual for a JCS Higgins 20 gauge bolt action model 583.15 shotgun. The company, JC Higgins is no longer around and has been replaced by the company, Ted Williams. The company, Ted Williams may be able to help someone find a similar model manual.
You can purchase parts for a Ranger model 30 16 gauge shotgun at these locations. Gunbroker, Topgunsupply, Budsgunshop, Gunpartshop and Midwayusa.