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The Remington Core-Lokt name has been synonymous with effective big game hunting since the late 1930s, and this .300 Weatherby Magnum loading carries on that legacy. With its 180-grain pointed soft point bullet, this ammunition is built to handle what the Weatherby cartridge was designed to do: deliver serious velocity and downrange energy to medium and large game.
The bullet's tapered copper jacket is mechanically locked to a solid lead core, which creates the controlled expansion these rounds are famous for. When the bullet hits game, that jacket and core peel back in a reliable fashion, creating wide wound channels while retaining enough weight to drive deep into vital areas. From the factory, Remington clocks this load at 3120 feet per second out of a 24-inch barrel, generating nearly 3900 foot-pounds of muzzle energy. Those numbers aren't just marketing talk either—they translate to real ballistic advantages at extended ranges where the .300 Weatherby shines.
The 180-grain weight is a sweet spot for this cartridge. It's heavy enough to carry impressive energy out to 400-500 yards where elk and similar-sized game become reasonable prospects, yet light enough that recoil stays within acceptable limits for most shooters. Field experience shows these bullets expand reliably from typical hunting distances and perform well even when things don't go perfectly with shot placement. The boat-tail design gives you flatter trajectory than older ammunition designs while the pointed profile helps it shoot to where you aim.
This ammunition comes loaded in reloadable brass cases with non-corrosive Boxer primers—meaning you keep the brass if you reload. That's a practical benefit that adds value since .300 Weatherby brass isn't always easy to come by. Each box contains 20 rounds, the standard for magnum ammunition, so you'll want to grab a couple boxes if you're planning a hunt or hitting the range for practice.
The 180-grain Core-Lokt in .300 Weatherby is designed for medium to large game like elk, moose, and similar-sized animals. The velocity and energy levels make it particularly effective out to 400-500 yards where the Weatherby's flat trajectory becomes an advantage. It's overkill for deer-sized game but extremely capable on everything else in North America.
The 180-grain is lighter and carries a higher ballistic coefficient than heavier bullets, giving you better long-range performance and less bullet drop at distance. The 180-grain strikes a balance between velocity and sectional density, making it a practical all-purpose weight for the .300 Weatherby. Heavier options offer slightly more penetration but trade away some velocity and trajectory.
Yes. The cases are high-quality Remington brass with Boxer primers, which means you can reload them once fired. The non-corrosive, Boxer-primed brass is standard for serious reloaders, and since .300 Weatherby brass isn't always available from every dealer, saving the brass makes economic sense if you handload.
The pointed soft point design means it should zero close to where a round nose version would, but individual rifles can vary. Always verify your zero before hunting. Some rifles will prefer one bullet profile over another, so don't be surprised if you need to make minor scope adjustments when switching ammunition types in the same cartridge.
| Caliber/Gauge | .300 Weatherby Magnum |
|---|---|
| Cost per Round | 3.25 |
| Grains | 180 GRAINS |
| Length | 6.5500 |
| Manufacturer | |
| Manufacturer Part Number | 29279 |
| Shipping Weight | 1.6 |
| Units per Box | 20 |
| UPC | 047700070308 |
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