Sellier & Bellot Blue .308 Winchester 165 grain TAC-EX-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 Blue .308 Winchester 165 grain TAC-EX-Blue Brass Cased Rifle Ammunition: Manufacturer: Sellier & Bellot Caliber: .308 Winchester Number of Rounds: 20 Bullet Type: TAC-EX-Blue Bullet Weight: 165 grain Cartridge Case Material: Brass Muzzle Velocity: 2720 ft/s Muzzle Energy: 2710 ft-lbs Application: Hunting Personal Defense Self-Defense Package Type: Box Primer Style: Centerfire Sectional Density: 0.248 G1 Ballistic Coefficient: 0.398 G7 Ballistic Coefficient: 0.2 Lead Free: Yes Package Contents: Sellier & Bellot Blue .308 Winchester 165 Grain TAC-EX-Blue Brass Cased Rifle Ammunition What is Sellier & Bellot Blue .308 Winchester 165 grain TAC-EX-Blue Brass Cased Rifle Ammunition good for? The manufacturer says that it is suitable for self-defense personal defense hunting.Sellier & Bellot SB308XA: Blue .308 Winchester 165 Grain TAC-EX-Blue Brass Cased Rifle Ammo 20 Rounds