Product Overview: 300 Winchester Magnum Ammunition

The .300 Winchester Magnum, or .300 Win Mag, is a popular and versatile rifle cartridge developed by Winchester Repeating Arms Company. Introduced in 1963, it is based on the .375 H&H Magnum case, which has been necked down to accept a .30 caliber (7.62 mm) bullet. The .300 Win Mag is renowned for its long-range accuracy, flat trajectory, and powerful impact, making it a favorite among hunters, long-range shooters, and military snipers.

Specifications:

  • Cartridge Name: .300 Winchester Magnum
  • Bullet Diameter: 0.308 inches (7.8 mm)
  • Neck Diameter: 0.339 inches (8.6 mm)
  • Shoulder Diameter: 0.489 inches (12.4 mm)
  • Base Diameter: 0.513 inches (13.0 mm)
  • Rim Diameter: 0.532 inches (13.5 mm)
  • Case Length: 2.62 inches (66.5 mm)
  • Overall Length: 3.34 inches (84.8 mm)
  • Case Capacity: 93.8 grains of water
  • Maximum Pressure: 64,000 psi (4,400 bar)

Performance:

  • Muzzle Velocity: Varies by load; typically ranges from 2,800 to 3,300 feet per second (fps) with a 180-grain bullet.
  • Muzzle Energy: Approximately 3,500 to 4,500 foot-pounds (ft-lbs) with a 180-grain bullet.
  • Effective Range: Effective up to 1,200 yards (1,100 meters) for long-range shooting.

Common Bullet Weights:

  • 150 grains
  • 165 grains
  • 180 grains (most popular for hunting)
  • 200 grains
  • 220 grains

Applications:

  • Hunting: Ideal for medium to large game such as deer, elk, moose, and bear due to its high energy and penetration capabilities.
  • Long-Range Shooting: Favored by long-range enthusiasts and snipers for its accuracy and flat trajectory over extended distances.
  • Military and Law Enforcement: Used by various military units and law enforcement agencies for its stopping power and precision.

Popular Brands:

  • Winchester
  • Remington
  • Federal Premium
  • Hornady
  • Nosler
  • Barnes Bullets

 

  • 300 Winchester Magnum
  • 300 Win Mag
  • Long-range ammunition
  • Hunting rifle cartridge
  • High-velocity ammunition
  • Flat trajectory
  • Big game hunting
  • Sniper rifle cartridge
  • 30 caliber bullet
  • Magnum rifle ammo

The .300 Winchester Magnum continues to be a top choice for those requiring a powerful, accurate, and versatile round capable of performing in a variety of demanding scenarios.

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