Here’s a category overview and specifications for .45-70 Government ammunition:
Overview
The .45-70 Government cartridge, originally developed in the 1870s for the U.S. military, is a versatile and powerful rifle round known for its stopping power and effectiveness in various applications, including hunting and target shooting. It is especially popular among enthusiasts of lever-action rifles and single-shot firearms.
Specifications
- General Characteristics:
- Type: Rifle cartridge
- Design Date: 1873
- Used In: Lever-action rifles (e.g., Marlin, Winchester), single-shot rifles, and some modern bolt-action rifles.
- Dimensions:
- Bullet Diameter: 0.458 inches (11.63 mm)
- Neck Diameter: 0.480 inches (12.19 mm)
- Shoulder Diameter: 0.525 inches (13.34 mm)
- Base Diameter: 0.580 inches (14.73 mm)
- Rim Diameter: 0.610 inches (15.49 mm)
- Case Length: 2.105 inches (53.4 mm)
- Overall Length: 2.55 inches (64.8 mm)
- Performance:
- Velocity: Varies by load; typical velocities range from 1,300 to 1,900 feet per second (fps) depending on bullet weight and powder charge.
- Energy: Depending on load, it can deliver energy levels from approximately 1,500 to over 2,800 foot-pounds (ft-lbs).
- Bullet Weights:
- Common bullet weights range from 300 grains to 500 grains, with some specialized loads exceeding 600 grains.
- Applications:
- Hunting: Effective for big game hunting, including deer, elk, and bear due to its significant stopping power.
- Target Shooting: Used in various shooting disciplines, including long-range and cowboy action shooting.
- Historical Reenactment: Popular in events that recreate the era of the American frontier.
- Load Types:
- Lead Bullets: Traditional loads often use lead cast bullets, known for their expansion and effectiveness on game.
- Jacketed Bullets: Modern loads may use copper-jacketed bullets for improved performance and reduced leading in the barrel.
- Hollow Point (HP): For hunting applications, hollow point designs are available for better expansion on impact.
- Recoil:
- Due to its power, .45-70 ammunition generates significant recoil, which can affect shooting comfort and accuracy, especially for inexperienced shooters.
Conclusion
The .45-70 Government cartridge is celebrated for its historical significance, effectiveness in hunting, and versatility across different shooting disciplines. Its combination of power, range, and availability makes it a favored choice among many firearm enthusiasts.