This newly manufactured Independence Centerfire Handgun Ammunition provides 100 percent weight retention, which gives it an advantage on impact. * May Either be Brass or Nickel Plated Brass Casings Independence's testing standards are set very high to ensure that the ammunition works in the best way when used in the real world. For instance, testers put the bullets through various substances, such as steel, plywood, and laminated automobile safety glass. This is an important process that measures the penetration ability of the bullet. Independence Centerfire Handgun Ammunition is the next big thing when it comes to defense ammunition. California Proposition 65 WARNING:This product can expose you to chemicals including lead, that are known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov