Hornady FMJ handgun are built with a rugged AMP bullet jacket (Advanced Manufacturing Process) that delivers better performance. Hornady FMJ bullets are a step above thinly plated bullets. Hornady FMJ handgun bullets lack skives in the bullet jacket that normally aid in bullet expansion. They are not easily deformed bullets, like plated bullets can be damaged during the reloading process. The core is cold swaged from pure lead that when mated to the AMP jacket delivery consistency of construction, thus delivering winning accuracy with every shot.