Smith & Wesson .40 cal ammo for sale. Once-fired, sorted polished brass from an indoor range. Cleaned, sorted, and polished by hand. Our reloading shells are of the highest quality and are perfect for practicing or hunting. The .40 Smith & Wesson is a leading cartridge among law enforcement organizations in America and is also popular among civilians for personal protection and sport shooting. Each round meets or exceeds all SAAMI specifications.