The .32 S&W, not to be confused with the .32 S&W Long, was originally designed as a black powder cartridge for use in small, inexpensive pocket revolvers. Starline brass has been designed to be safe with both smokeless and black powder, and can be safely fired in revolvers chambered for 32 S&W Long, 32 H&R Magnum and 327 Federal Magnum Starline is a family owned business and prides itself on producing the highest quality brass case available. With a production process focused on quality not quantity, Starline makes the finest brass and has for more than 40 years out of their state-of-the-art manufacturing facility in Sedalia, MO. Mfg: Starline