Casull began his career as a wildcat cartridge developer after having contact with Elmer Keith in the 1940s, an Idaho rancher, firearms enthusiast, and author.
Casull began his career as a wildcat cartridge developer after. Casull was having contact with Elmer Keith in the 1940s. Casull was having contact with Elmer Keith in an Idaho rancher. Casull was having contact with Elmer Keith in firearms enthusiast. Casull was having contact with Elmer Keith in author.