Norma .308 Winchester 170 Grain Tipstrike Brass Cased Rifle Ammo 20 Rounds. To prevent bullet core separation the jacket is reinforced with a mechanical lead-lock thus making TIPSTRIKE an outstanding bullet for shots where an immediate stop on game animals is the desired result. Specifications for Norma .308 Winchester 170 Grain Tipstrike REPT Brass Cased Rifle Ammunition: Manufacturer: Norma Caliber: .308 Winchester Number of Rounds: 20 Bullet Type: Rapid Expansion Polymer Tip (REPT) Bullet Weight: 170 grain Cartridge Case Material: Brass Muzzle Velocity: 2625 ft/s Muzzle Energy: 2602 ft-lbs Application: Target Package Type: Box Primer Style: Centerfire G1 Ballistic Coefficient: 0.454 Lead Free: Yes Features of Norma .308 Winchester 170 Grain Tipstrike REPT Brass Cased Rifle Ammunition Extreme knock-down power Jacket reinforced with mechanical lead-lock Norma brass cases - unmatched reloadability Package Contents: Norma .308 Winchester 170 Grain Tipstrike REPT Brass Cased Rifle Ammunition What is Norma .308 Winchester 170 Grain Tipstrike REPT Brass Cased Rifle Ammunition good for? The manufacturer thinks that it is best for target.Norma 20174352: .308 Winchester 170 Grain Tipstrike Brass Cased Rifle Ammo 20 Rounds