Federal Premium VITAL-SHOK .308 Winchester 165 Grain Trophy Bonded Tip Centerfire Rifle Ammo 20 Rounds. This particular ammo is uniquely designed with a patented Federal Premium process that helps to absorb shock. There are many new features that this company has created with you in mind. Focused on improving performance for the shooter this company now offers this new reliable line of ammo that is raved about by law enforcement professionals and professional shooters alike. It is easy to see why this company has remained so successful over the years. Specifications for Federal Premium VITAL-SHOK .308 Winchester 165 Grain Trophy Bonded Tip Centerfire Rifle Ammunition: Manufacturer: Federal Caliber: .308 Winchester Number of Rounds: 20 Bullet Type: Spitzer Boat Tail (SBT) Bullet Weight: 165 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 2700 ft/s Muzzle Energy: 3039 ft-lbs Application: Big Game Package Type: Box Primer Style: Centerfire G1 Ballistic Coefficient: 0.45 Lead Free: No Features of Federal Premium Vital-Shok .308 Winchester 165gr. Trophy Bonded Tip Rifle Ammo - 20 Rounds Robust bonding maximizes weight retention High-performance polymer tip for flat trajectory better accuracy and more energy Exterior skiving for optimum expansion Solid shank for bone-crushing penetration Gold Medal primer Nickel plated for easy extraction and corrosion protection Specially formulated propellant with copper-reducing additives Package Contents: Federal Premium VITAL-SHOK .308 Winchester 165 grain Trophy Bonded Tip Centerfire Rifle Ammunition What is Federal Premium VITAL-SHOK .308 Winchester 165 Grain Trophy Bonded Tip Centerfire Rifle Ammunition good for? The manufacturer says that it is good for big game.Federal P308TT2: Premium VITAL-SHOK .308 Winchester 165 Grain Trophy Bonded Tip Centerfire Rifle Ammo 20 Rounds