300 WSM
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Short Action. Serious Reach.
The .300 Winchester Short Magnum was designed to excel at one thing: propelling .30-caliber bullets quickly and accurately from a short-action rifle. No gimmicks, just real magnum performance in a more compact package. 300 WSM ammo earned its reputation in the field, where shots stretch past the treeline, and wind starts to matter. It delivers the velocity, energy, and consistency hunters expect without needing a long, heavy rifle.
300 WSM Ammo for Sale
The .300 Winchester Short Magnum was developed to provide magnum-level performance from a shorter rifle action. Its compact case design allows the cartridge to deliver high velocity and substantial energy while fitting rifles built around a short-action receiver.
Steinel’s current 300 WSM ammunition features a 165-grain Sierra Tipped GameKing bullet, using new Norma brass, a CCI Large Rifle Magnum primer, and Shooters World powder. The load is intended for hunting applications where bullet construction, penetration, and consistent performance are important.
300 Winchester Short Magnum 165gr Sierra Tipped Game King (Brass Case)
High-Quality 300 WSM Ammo
The .300 WSM is a .30-caliber magnum cartridge that has become popular among hunters who want a combination of velocity, energy, and a compact rifle platform. Its short-action design can be particularly useful when building a hunting rifle where overall size and balance matter.
The cartridge is commonly loaded with a range of 300 WSM bullets, giving shooters options for different game and applications. With an appropriate hunting projectile, the cartridge is well suited to open-country hunting where trajectory and wind conditions can become important.
For hunters considering 300 WSM for elk, bullet construction becomes particularly important. A well-made hunting bullet should provide the penetration and controlled expansion appropriate for the game and shooting conditions rather than relying on velocity alone.
Choosing Modern 300 WSM Ammo for Your Rifle
Choosing the right .300 WSM load starts with the rifle, intended game, and shooting conditions. The same cartridge can be used for different applications, but bullet weight and construction can significantly affect its performance.
Steinel’s 165-grain Sierra Tipped GameKing load combines a mid-weight .30-caliber hunting bullet with a high-velocity magnum cartridge. The load uses new Norma brass, CCI Large Rifle Magnum primers, and Shooters World powder, with a published muzzle velocity of approximately 2,980 fps from a 24-inch barrel.
For hunting, a controlled-expansion bullet can provide a useful balance of penetration and expansion. Hunters selecting 300 WSM ammo should also consider their rifle’s barrel length, sight-in, expected shooting distance, and the specific game being hunted.
Always confirm the rifle is chambered for .300 WSM before loading or firing ammunition.
300 WSM Ammo Performance
The 165-grain Steinel 300 WSM load uses Sierra Tipped GameKing and has a published muzzle velocity of approximately 2,980 fps from a 24-inch barrel, with approximately 3,250 ft-lbs of muzzle energy.
Actual velocity and trajectory can vary with barrel length, firearm, environmental conditions, and ammunition lot. Use the ammunition’s published ballistic information when sighting in and evaluating performance.
Applications of 300 WSM Ammo
Big Game Hunting: The .300 WSM is widely suited to hunting applications where a fast .30-caliber projectile and substantial downrange energy are useful.
Elk Hunting: The cartridge can be paired with appropriately constructed hunting bullets for elk and other larger game, with bullet selection and shot placement remaining important.
Deer Hunting: Mid-weight hunting bullets can provide a practical combination of trajectory, energy, and expansion for deer-sized game.
Long-Range Hunting: The cartridge’s velocity and aerodynamic hunting bullets can make it useful in open terrain where longer shots and changing wind conditions are part of the hunt.
Compatible Firearms
The .300 WSM is primarily found in short-action bolt-action rifles from manufacturers including Winchester, Browning, Weatherby, Remington, Savage, and Tikka.
Popular rifles chambered in .300 WSM include models such as the Winchester Model 70, Browning X-Bolt, Browning A-Bolt, Weatherby Vanguard, Remington Model 700, Savage 110, and Tikka T3/T3x in compatible configurations.
Winchester Model 70 with rifle scope, 24-inch (61 cm) barrel, and one-piece scope mount
Source-Wikipedia
Why Purchase From Steinel Ammo?
Steinel Ammunition Co. produces ammunition for hunters and shooters using both popular and specialized rifle cartridges. Our .300 WSM load is assembled with components selected for a hunting application, including new Norma brass and a Sierra Tipped GameKing projectile.
The focus is on consistent manufacturing, dependable ignition, and a load that is practical for real hunting use. Review the individual product page for the complete specifications of the current 300 WSM load.
Explore our Rifle Ammunition category to browse additional rifle calibers from Steinel Ammunition Co.
Frequently Asked Questions
Q1. Why is 300 WSM ammo so hard to find?
300 WSM ammunition can be less consistently stocked than some more common rifle calibers, so availability may vary by manufacturer and retailer. Steinel Ammunition Co. currently offers a 165gr Sierra Tipped GameKing load, subject to inventory availability.
Q2. What is the most accurate ammo for a 300 WSM rifle?
There is no single load that is most accurate in every rifle, since barrel, rifle setup, and ammunition all affect accuracy. Steinel’s 300 WSM 165gr Sierra Tipped GameKing is built for hunting performance and consistent results when properly matched to the rifle.
Q3. Is a 300 WSM too big for deer?
No. 300 WSM can be used effectively for deer with an appropriate hunting bullet and proper shot placement. Steinel’s 165gr Sierra Tipped GameKing provides a practical hunting load for this type of application.
Q4. What is the best 300 WSM ammo for deer or elk?
A controlled-expansion hunting bullet is a common choice for deer and elk. The appropriate load depends on the game, rifle, shooting conditions, and bullet construction.
Q5. Is 300 WSM good for long-range shooting?
Yes. The .300 WSM combines high velocity with .30-caliber bullets, making it well suited to longer-range hunting when the rifle and load are properly sighted in.
