Out of stock
SKU: WNS4570DB
UPC: 20892218444
Winchester Dual Bond 45/70 Government 375gr HP ammunition delivers controlled expansion and deep penetration through dual-jacket bonded bullet construction. The 375-grain hollowpoint round exits the muzzle at 1,500 feet per second, engineered for the demands of medium to large game hunting and precision rifle applications where barrier performance and consistent bullet performance matter.
The proprietary bullet-within-bullet design separates this load from conventional ammunition. A heavy outer jacket is mechanically bonded to the inner projectile, protecting the core during deep driving penetration through tough materials. The 12-segment hollow point cavity expands to roughly twice the original diameter while the bonded construction maintains structural integrity, preventing jacket/core separation that compromises energy transfer. At 1,500 fps, the 375-grain mass retains substantial velocity downrange, critical for extended-range shots where energy retention determines ethical lethality.
This ammunition suits hunters and riflemen running lever-action rifles, single-shots, and modern bolt platforms chambered in 45/70 Government. The cartridge remains the standard for deep brush hunting in heavy cover where shot distances rarely exceed 100 yards, and for controlled expansion on large game. Recoil management in purpose-built rifles is manageable, though 45/70 Government inherently produces significant recoil impulse. Each box contains 20 rounds, sufficient for field season or extended range sessions where function testing and ballistic confirmation are priorities.
Winchester Ammunition maintains proven reputation for quality control and consistent performance across hunting and tactical platforms. The 45/70 Government cartridge, originally developed in 1873, remains one of North America's most reliable hunting rounds. Modern bonded ammunition like the Dual Bond line addresses historical concerns about expansion consistency and bullet performance in difficult conditions—making it the preferred choice for serious hunters who demand reliable terminal ballistics in the field.
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