Here is the sum of my experience with the Cowboy calibers. . 32-20 WCF (Winchester Center Fire) Life was made much easier by obtaining 1,000 Starline brass cases. ... . 38 Short Colt, . 38 Long Colt. ... . 38 Smith & Wesson. ... . 38 Special. ... . 357 Magnum. ... . 38-40 WCF. ... . 41 Colt. ... . 44 Russian. More items... Jul 12, 2019