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 a high-strength pure copper projectile ensures Core-Lokt Copper’s monometal bullet dispatches big game with true Deadly Mushroom performance. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases.