Underwood Ammos Xtreme Hunter .45-70 Government +P 325gr offers a high-performance, centerfire rifle cartridge built for demanding shooting applications. This round features a monolithic copper bullet, engineered for optimal penetration and weight retention, with reliable performance in adverse environments thanks to its nickel-plated brass case. 325-grain Xtreme Hunter solid copper bullet Nickel-plated brass case for added corrosion resistance +P load marked for firearms rated for higher pressures This .45-70 Government +P load delivers a high muzzle velocity and is designed for shooters who require consistent performance and rugged reliability. Always verify your firearm is rated for +P loads before use.