45-70-ammo

Buffalo Bore 430gr Hard Cast or similar heavy-grain "magnum" loads are designed for maximum penetration through thick bone and muscle. Caution: These high-pressure (+P) rounds should only be used in robust modern actions like the Marlin 1895 or Ruger No. 1.

Federal Power-Shok or Remington Core-Lokt 300gr are reliable, widely available options that provide effective energy transfer for medium-sized game. Ballistics & Range Performance 45-70-ammo

Ammo selection depends heavily on the intended target and the strength of the rifle's action (e.g., an antique Trapdoor Springfield versus a modern Ruger No. 1). Buffalo Bore 430gr Hard Cast or similar heavy-grain