Wilson Combat Speer SP 300 HAM'R 110 Grain Brass Cased Pistol Ammo 20 Round 20RD. This accurate load is equally suited for predator hunting soft skinned game up to 150 and self-defense when over penetration is a concern. Uses: Hunting for animals weighing 150# or less or self-defense when rapid bullet expansion is desired and over penetration is a concern Specifications for Wilson Combat Speer SP 300 HAM'R 110 Grain Brass Cased Rifle Ammunition: Manufacturer: Wilson Combat Caliber: 300 HAM'R Bullet Type: Spitzer Bullet Weight: 110 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 2600 ft/s Muzzle Energy: 1651 ft-lbs Application: Hunting Self-Defense Package Type: Box Included Accessories: None Primer Style: Centerfire Sectional Density: 0.166 Lead Free: No Package Contents: Wilson Combat Speer SP 300 HAM'R 110 Grain Brass Cased Rifle Ammunition What is Wilson Combat Speer SP 300 HAM'R 110 Grain Brass Cased Rifle Ammunition good for? The manufacturer says that it is good for self-defense hunting.Wilson Combat A300HMR-110-SSP-20RD: Speer SP 300 HAM'R 110 Grain Brass Cased Pistol Ammo 20 Round