This PMC Bronze 10mm Auto ammunition is loaded with a 200 grain full metal jacket bullet. Penetration is controlled for maximum energy transfer to the target, assuring its suitability as a hunting bullet. This 10mm Auto ammo is designed to be the perfect choice for target practice at the range so you can work on your skills without having to worry about the quality of your ammo. PMC uses only the highest quality components made in house to ensure the best performance. PMC Bronze 10mm Auto is non-corrosive, new production ammunition in boxer primer and brass cases.