The 300 Winchester Magnum ammunition, also called .300 WM or 300 Win Mag for sale, is a popular rifle cartridge introduced by Winchester in 1963. Designed to be a high-power centerfire cartridge for hunting and long-range shooting. The 300 Win Mag bullet is highly known for its accuracy, flat trajectory, and high accuracy, needed in taking down big game animals and for use in long-range shooting competitions. This round can deliver powerful shots at distances up to 500 yards, making it a versatile and reliable cartridge for various shooting applications.

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300 Winchester Mag bullet is suitable for long-range shooting and hunting big game animals like elk, moose, and bear. It is also used for long-range competition shooting because of its high velocity and flat trajectory.


  1. Case type; Belted, bottleneck
  2. Parent case; .375 H7H Magnum
  3. Case length; 2.62 in (67 mm)
  4. Case capacity; 6.1 cm3
  5. Overall length; 3.34 in (85 mm)
  6. Bullet diameter; .308 in (7.8 mm)
  7. Neck diameter; .339 in (8.6 mm)
  8. Shoulder diameter; .489 in (12.4 mm)
  9. Base diameter; .513 in (13.0 mm)
  10. Rim diameter; .532 in (13.5 mm)
  11. Land diameter; .300 in (7.6 mm)
  12. Rim thickness; .050 in (1.3 mm)
  13. Rifling twist; 1:10 in (254 mm)
  14. Primer type; Large Rifle Magnum
  15. Max pressure (C.I.P); 62,366 psi
  16. Max pressure (SAAMI); 64,000 psi
  17. Maximum CUP; 54,000 CUP


The 300 Win Mag ammo for sale has impressive ballistics performance, with its typical velocity being around 3,000 ft/s with an energy of over 3,500 ft-lbf. These figures demonstrate its excellent long-range ability to take down big game targets at 1,000 yards and more distances. The bullet weight typically ranges from 150 to 220 grains, with the heavier bullets providing greater penetration and knockdown power. The flat trajectory of this round allows for easier aiming at longer distances, making it famous for competitive shooting as well. Overall, the ballistic performance of the 300 Winchester Mag ammo makes it a versatile and practical choice for a variety of hunting and shooting applications.


  1. Long-range accuracy: The 300 Win Mag is famous for competitive shooting and hunting at long distances because of its long-range accuracy;
  2. High velocity: This load can travel faster than other bullets of the same speed due to high muzzle velocities;
  3. Power: Knockdown power of the 300 Win Mag ammo for sale is characterized by its high level of kinetic energy, which delivers significant force on impact;
  4. Versatility: This ammunition is for a variety of purposes like hunting big game animals and long-range shooting;
  5. Availability: This load is widely available online in bulk and retail for sale. You can find some of the best quality at our site bulkcheapammostore.com at affordable prices. Buy now.


Although several factors come into place to determine the effective range of the 300 Win Mag, like the specific load type, the firearm used, and shooter skills, the general effective range of this ammunition is considered around 500 to 1000 yards for hunting big animals.

This load can deliver great stopping power at shorter ranges when hunting animals like moose and bears.

300 WIN MAG VS 308

The 308  Win and 300 Win Mag ammo are famous big cartridges for hunting dangerous animals, tactical applications, and target shooting. Despite their similarities, they do have some differences, some of which:

The 300 Win Mag is a larger cartridge than the 308, with a longer case and a more significant power charge. It generally delivers a high velocity, more energy, and a flatter trajectory than the 308. The 300 Winchester Magnum ammunition is better good for long-range shooting and hunting, where the shooter needs to take shots at extended ranges.

On the other hand, the 308 is a smaller cartridge for its versatility and moderate recoil. It delivers less muzzle velocity and energy than the 300 Win Mag but is suitable for target shooting. The 308 is also widely available and affordable.


The design of the 300 Win Mag bullet was influenced by the success of the .338 Winchester Magnum, which had been introduced a few years earlier. The goal was to create a cartridge that could deliver similar performance with a smaller case size for easy handling. This ammo quickly gained popularity among hunters and shooters for its flat trajectory, high velocity, and excellent long-range accuracy. It can take down large game such as elk, moose, and bears at distances up to 1,000 yards.

Numerous manufacturers, including top brands like Winchester, Remington, Hornady, Nosler, and Federal Premium, produce this ammunition. This ammo has scaled successfully and remains one of the most popular hunting and long-range shooting rounds.


The 300 Winchester ammo is a powerful, versatile cartridge that excels at long-range shooting and hunting. Its high velocity and long-range accuracy makes it a popular choice for those who need to take down game or hit the target at a distance. Additionally, its availability and popularity among reloaders make it a practical choice for customizable ammunition. While the 300 Win Mag bullets have significant recoil, proper management techniques and equipment can make it a comfortable shooting cartridge. Buy your high-power ammunition with us today at bulkcheapammostore.com

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