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.300 WSM (.300 Win. Short Magnum)
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Caliber Specifications:
Caliber: | .300 WSM (.300 Win. Short Magnum) |
Standard / Datasheet: | C.I.P. |
Bullet Diameter: | 0.308" | 7.82mm |
Primer Size: | Large Rifle Magnum (LRM) |
Max. Case Length: | 2.090" | 53.09mm |
Max. Cartridge Length / OAL: | 2.860" | 72.64mm |
Max. Standardized Pressure: | 63817 psi | 4400 bar |
Case Capacity: | 81.3 Grains of Water | 5.28 cm3 |
CID: | CID_378 |
Last updated: | 2/20/2025 |
- The .300 Winchester Short Magnum (WSM) is an incredibly powerful round developed in the early 2000s, making it one of the most recent additions to the rifle cartridge market. With its high-powered loads, excellent accuracy potential, and flat trajectories, this modern round has become very popular with hunters in pursuit of large game animals such as elk and moose.Thanks to its high energy and considerable knock down power, the .300 WSM is capable of taking down even the largest prey humanely even at extended distances - making it a great ethical hunting choice. Additionally, its flat trajectories make it an ideal choice for long-range target shooting competitions.
Weight vs. Velocity - Suitable Bullets for this Caliber
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Barrel Length Variation vs. Velocity - by Bullet Weight
.300 WSM (.300 Win. Short Magnum) load data available with the following bullets:
(most popular first)
Filter by Bullet Weight (Grains)
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