Originally Posted by Loggah
I have one made by winchester for the 303 savage,nickel plated and it shoots 32 colt ammo. its patented around 1906 if i remember correctly. Don

Don, I found a couple axillary cartridge patents from 1905 -
Brayton cartridge 1
Brayton cartridge 2

I have wondered if these are the patent most are based off of; I found them while looking for info on the Brayton Tubless Scope that was in the 1905 Savage catalogs - Brayton Tubless Scope




Gene