Wilson Combat 308Win 165gr Tipped Extreme Chaos 20 Per Box/10 Case. 308 Winchester ammunition is the innovative 165-grain Tipped Xtreme Chaos (TXC) bullet from Lehigh Defense. This revolutionary bullet design features a high ballistic coefficient bullet tip that does not expand on dry mediums like wood drywall bone or sheet metal. Specifications for Wilson Combat LA308165TXC 308Win 165gr Tipped Extreme Chaos 20 Per Box/10 Case: Manufacturer: Wilson Combat Caliber: .308 Winchester Number of Rounds: 20 Bullet Weight: 165 grain Muzzle Velocity: 2660 ft/s Muzzle Energy: 2593 ft-lbs Additional Features: Tipped Extreme Chaos Case Material: Brass Wilson Combat LA308165TXC 308Win 165gr Tipped Extreme Chaos 20 Per Box/10 Case