The Remington Core-Lokt .300 Winchester Short Magnum (WSM) loaded with a 150-grain Pointed Soft Point (PSP) bullet is a centerfire rifle cartridge intended for big-game hunting. It employs Remington’s Core-Lokt controlled-expansion design to promote consistent expansion and weight retention. Cartridges are loaded in brass cases and are listed as reloadable; each box contains 20 rounds. Listed ballistic specifications include a muzzle velocity of 3320 fps and substantial muzzle energy for medium to big-game applications.
Key Specifications
- Caliber is .300 Winchester Short Magnum (WSM).
- Bullet weight is 150 grains.
- Bullet type is Pointed Soft Point (Jacketed Soft Point).
- Rounds per box are 20.
- Boxes per case are 10.
- Muzzle velocity is listed as 3320 fps.
- Muzzle energy is listed as 3671 ft lbs.
- Case material is Brass.
- Reloadable is Yes.
- Primary application is Big Game / Hunting.
Remington Core-Lokt loads are designed for dependable, controlled expansion and proven weight retention in the field. This .300 WSM 150gr PSP offering pairs established bullet construction with reloadable brass, giving experienced shooters a practical option for hunting and reloading. For those who prioritize consistent terminal performance and straightforward ballistics, this load is a time-tested choice for medium to big-game field use.





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