Hunting Shack HSM457012N: Developed as a load to protect hunters while hunting or traveling in bear country, this American-made ammunition is sure to keep you safe with its extreme terminal performance and stopping power. Bear Loads deliver drastically higher velocities when compared to standard loads. Loaded with 15 Brinell Hard Cast Gas-Checked lead bullets, Bear Load ammo is for those situations where you want the maximum penetration to stop game. This load is chambered in 45-70 Government +P with a grain weight of 430.