Sellier & Bellot 7x57 140 Grain Soft Point Rifle Ammo 20 Rounds. A lead core with a precisely engineered jacket results from its controlled expansion and high weight retention. Specifications for Sellier & Bellot 7x57 140 Grain Soft Point Rifle Ammunition: Manufacturer: Sellier & Bellot Caliber: 7x57mm Mauser Number of Rounds: 20 Bullet Type: Soft Point (SP) Bullet Weight: 140 grain Cartridge Case Material: Brass Muzzle Velocity: 2651 ft/s Muzzle Energy: 2184 ft-lbs Application: Medium Game Package Type: Box Primer Style: Centerfire Sectional Density: 0.248 G1 Ballistic Coefficient: 0.231 G7 Ballistic Coefficient: 0.115 Lead Free: No Package Contents: Sellier & Bellot 7x57 140 Grain Soft Point Rifle Ammunition What is Sellier & Bellot 7x57 140 Grain Soft Point Rifle Ammunition good for? The manufacturer thinks that it is best for medium game.Sellier & Bellot SB757B: 7x57 140 Grain Soft Point Rifle Ammo 20 Rounds