Wilson Combat 308Win 155gr Tipped Maximum Expansion 20 Per Box/10 Case. 308 Winchester ammunition is the innovative 155-grain Tipped Maximum Expansion (TME) 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 LA308155TME 308Win 155gr Tipped Maximum Expansion 20 Per Box/10: Manufacturer: Wilson Combat Caliber: .308 Winchester Number of Rounds: 20 Bullet Type: Tipped Maximum Expansion Bullet Weight: 155 grain Muzzle Velocity: 2800 ft/s Muzzle Energy: 2699 ft-lbs Case Material: Brass Wilson Combat LA308155TME 308Win 155gr Tipped Maximum Expansion 20 Per Box/10