Cor Bon 10mm Auto 200 Grain RNPN- Hunter Series Brass Cased Pistol Ammo 20 Rounds. Peter Pi originally designed his handgun hunting ammo from his passion of handgun hunting after becoming frustrated with the lack of serious handgun hunting ammunition on the market. He developed his own process over 33 years ago to create the highest performance handgun ammo in the world. This product is the ammunition that started it all. COR BON stands for Bonded Core and its has been successfully proven through the years by worldwide hunting greats such as Larry Kelly (Mag-na-Port) and JD Jones (SSK Industries). Bullet Anatomy A Round Nosed Penetrator is a bullet with a thick jacket and a very hard lead core. This non-expanding bullet is used in handguns for deep penetration on large and heavy dangerous game. This non-expanding bullet will retain 100percent of its weight. Specifications for Cor Bon 10mm Auto 200 Grain RNPN- Hunter Series Brass Cased Pistol Ammunition: Manufacturer: Cor Bon Caliber: 10mm Auto Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 200 grain Cartridge Case Material: Brass Muzzle Velocity: 1125 ft/s Muzzle Energy: 562 ft-lbs Application: Hunting Package Type: Box Included Accessories: None Primer Style: Centerfire Lead Free: No Package Contents: Cor Bon 10mm Auto 200 Grain RNPN- Hunter Series Brass Cased Pistol Ammunition Cor Bon HT10200PN/20: 10mm Auto 200 Grain RNPN- Hunter Series Brass Cased Pistol Ammo 20 Rounds