Sellier & Bellot eXergy Springfield 180 Grain eXergy Blue Brass Cased Rifle Ammo 20 Rounds. Blue plastic tip enhances expansion at all ranges while the solid copper construction maximizes weight retention. Specifications for Sellier & Bellot eXergy 30-06 Springfield 180 Grain eXergy Blue Brass Cased Rifle Ammunition: Manufacturer: Sellier & Bellot Caliber: .30-06 Springfield Number of Rounds: 20 Bullet Type: TAC-EX-Blue Bullet Weight: 180 grain Cartridge Case Material: Brass Muzzle Velocity: 2654 ft/s Muzzle Energy: 2815 ft-lbs Application: Hunting Personal Defense Self-Defense Package Type: Box Primer Style: Centerfire Sectional Density: 0.271 G1 Ballistic Coefficient: 0.442 G7 Ballistic Coefficient: 0.222 Lead Free: Yes Package Contents: Sellier & Bellot eXergy 30-06 Springfield 180 Grain eXergy Blue Brass Cased Rifle Ammunition What is Sellier & Bellot eXergy 30-06 Springfield 180 Grain eXergy Blue Brass Cased Rifle Ammunition good for? The manufacturer says that it is good for self-defense personal defense hunting.Sellier & Bellot SB3006XB: eXergy 30-06 Springfield 180 Grain eXergy Blue Brass Cased Rifle Ammo 20 Rounds