Winchester Super-X Rifle Ammunition for 45-70 Government – 300 Gr Jacketed Hollow Point, 20 Rounds (X4570H)

• 45-70 Government rifle ammunition designed for hunting and large game applications
• 300 grain jacketed hollow point bullet engineered for controlled expansion
• Muzzle velocity rated at 1880 feet per second under standard firing conditions
• 20 rounds per box supporting field use and hunting applications
• Jacketed hollow point design enhances expansion and terminal performance
• Winchester Super X series model X4570H with UPC 020892201149 manufacturer specification

The Winchester Ammunition Super-X 45-70 Government 300 Grain Jacketed Hollow Point 20 Round Box is a rifle ammunition cartridge designed for hunting with firearms chambered in 45-70 Government. This centerfire rifle cartridge uses a 300 grain jacketed hollow point bullet with a listed velocity of 1,880 feet per second.

The Winchester Ammunition Super-X 45-70 cartridge features a jacketed hollow point projectile that defines its construction and application category. The 20 round box provides a structured quantity for field carry or range use, and the 45-70 Government caliber establishes compatibility with appropriate rifles. This product is used for controlled shooting applications requiring a centerfire rifle cartridge. In typical setups, the Super-X configuration combines a 300 grain bullet weight with a velocity specification of 1,880 fps, maintaining a consistent cartridge format with standard brass casing and centerfire primer design.