Deadly Core-Lokt Copper. Dependable expansion proven weight retention and drop-dead accuracy. The performance you’ve come to know and expect from Core-Lokt now guaranteed with a lead-free bullet. Rigid construction from high-strength copper ensures Core-Lokt Copper’s monometal bullet dispatches big game with true Deadly Mushroom performance. – ACCURATE MONOMETAL BULLET- All-copper projectile made from high-strength copper like classic Core-Lokt’s proven jacket – CORE-LOKT PERFORMANCE- Precision hollow point for consistent deadly expansion and performance on-game across a wild range of velocities – TRUSTED QUALITY COMPOENTS- Reliable brass propellants and precise loading techniques for consistency shot-after -shot – LEAD-FREE PRIMER- Lead-free primer provides consistent ignition – Caliber 308 Win – Grain Weight 150 – Muzzle Velocity 2820 – Bullet Style Copper HP – Ballistic Coefficient .278 – Package Quantity 20 – Usage Big Game