Nosler E-Tip Bullets Nosler E-Tip, lead free bullets. 95%+ Weight Retention, 100% Lead Free Nosler’s exclusive E² Cavity (Energy Expansion Cavity) allows for immediate and uniform expansion yet retains 95%+ weight for improved penetration. Initiated by a unique OD green polycarbonate tip, the E² Cavity provides amazing stopping power and peerless penetration over a broad spectrum of impact velocities. Specifications: - Caliber: 6mm (.243") - Grain: 90 - E-Tip Spitzer - Per 50