Winchester Ballistic Silvertip 6.8 Western 170 Grain Rapid Controlled Expansion Polymer Tip Brass Cased Centerfire Rifle Ammo 20 Rounds. Innovation combined with engineering excellence makes Ballistic Silvertip the choice for those who appreciate the legendary excellence Winchester is known for around the world. Specifications for Winchester Ballistic Silvertip 6.8 Western 170 Grain Rapid Controlled Expansion Polymer Tip Brass Cased Centerfire Rifle Ammunition: Manufacturer: Winchester Caliber: 6.8 Western Number of Rounds: 20 Bullet Type: Plastic Tip Special (PTS) Bullet Weight: 170 grain Cartridge Case Material: Brass Muzzle Velocity: 2920 ft/s Muzzle Energy: 3218 ft-lbs Application: Bear Deer Black Bear Antelope Package Type: Box Included Accessories: None Primer Style: Centerfire G1 Ballistic Coefficient: 0.563 G7 Ballistic Coefficient: 0.284 Lead Free: No Features of Winchester Ballistic Silvertip 6.8 Western 170 Grain Rapid Controlled Expansion Polymer Tip Brass Cased Centerfire Rifle Ammunition: Deeper Penetration: Alloyed lead core and thick copper base retain weight while driving through the vitals of big game Controlled Expansion: Upon impact the contoured jacket peels back while holding together the lead core and maximizing knock-down energy Long-Range Accuracy: Boattail bullet with high ballistic coefficient overcomes air resistance for flatter shooting at longer ranges Package Contents: Winchester Ballistic Silvertip 6.8 Western 170 Grain Rapid Controlled Expansion Polymer Tip Brass Cased Centerfire Rifle Ammunition What is Winchester Ballistic Silvertip 6.8 Western 170 Grain Rapid Controlled Expansion Polymer Tip Brass Cased Centerfire Rifle Ammunition good for? The manufacturer says that it is suitable for antelope black bear deer bear.Winchester WINCSBST68W: Ballistic Silvertip 6.8 Western 170 Grain Rapid Controlled Expansion Polymer Tip Brass Cased Centerfire Rifle Ammo 20 Rounds