Since a lot of questions about ammo are asked here a list of some of the ammo makers web sites for those who want to research on their own are provided here. This is only a partial list. Aquila ammunition: www.aguilaammo.com, CCI ammo: www.cci-ammunition.com, Cor-bon ammunition: www.corbon.com, Federal ammunition: www.federalcartridge.com, Fiocchi ammo: wwwfiocchiusa.com, Hornady ammo: www.hornady.com, International Cartridge Corp.: www.internationalcartridge.com, Magtech ammo: www.magtechammunition.com, Sellier & Bellot ammo: www.sb-usa.com, Speer ammo: www.speer-bullets.com, Winchester ammo: www.winchester.com. That's all for now. Feel free to add to this.