Cutting Edge Bullets Match Tactical Hunting .277 Wolverine Caliber 130 Grain Solid Copper Hollow Point Rifle Bullets 50 Rounds MTH 277 130. These are a high BC expanding bullet designed for hunting at all ranges. A unique feature of this bullet is their patented SealTite band which is a band slightly larger than caliber diameter around the bullet which was designed to eliminate fliers by preventing gas blow-by. The SealTite band also decreases copper fouling which is typically associated with mono metal bullets. Specifications for Cutting Edge Bullets Match Tactical Hunting .277 Wolverine Caliber 130 Grain Solid Copper Hollow Point Rifle Bullets: Manufacturer: Cutting Edge Bullets Gun Type: Rifle Bullet Type: Copper Expansion Projectile Caliber: .277 Wolverine Cartridge Type: Rifle Bullet Weight: 130 grain Projectile Caliber: .277 Caliber Diameter: 6.8 mm G1 Ballistic Coefficient: 0.54 G7 Ballistic Coefficient: 0.228 Core Material: Copper Jacket Material: Copper/Lead Free Bullet Quantity: 50 Bullet Fabric/Material: Copper Package Contents: Cutting Edge Bullets Match Tactical Hunting .277 Wolverine Caliber 130 Grain Solid Copper Hollow Point Rifle Bullets Cutting Edge Bullets MTH 277 130: Match Tactical Hunting .277 Wolverine Caliber 130 Grain Solid Copper Hollow Point Rifle Bullets 50 Rounds