Description
Core-Lokt has been the go-to choice for hunters since 1939 for one reason: it works. This .270 WSM loading pushes a 130 grain pointed soft point bullet at 3,285 fps with 3,114 ft-lbs of muzzle energy, giving you the speed and flat trajectory that makes the Winchester Short Magnum such an effective hunting round. The 130 grain weight is the sweet spot for this cartridge—it delivers fast killing out to around 300 yards on medium to large game while maintaining good ballistic performance at distance.
What Makes Core-Lokt Effective
The Core-Lokt bullet design is deceptively simple but remarkably effective. The tapered copper jacket is mechanically locked to a solid lead core, which controls how the bullet expands on impact. As the bullet penetrates, the jacket and core work together to create consistent 2X expansion with excellent weight retention. You're looking at about 75 percent weight retention on average, which means deep penetration and reliable performance regardless of angle or bone. This controlled expansion approach has proven itself on every continent and every game animal hunters pursue.
.270 WSM Performance in Short-Action Rifles
The beauty of the .270 WSM is delivering magnum-class ballistics from a short-action rifle without excessive recoil. You're gaining roughly 200 fps over the standard .270 Winchester with this ammunition, which translates to a flatter trajectory and more retained energy at distance. The short-action platform means lighter rifles that handle easier in the field, something that becomes more important as the day wears on. The pointed soft point bullet design has a decent ballistic coefficient for its era, giving you reliable flight and predictable drops out to ranges where most hunters actually take their shots.
Built for Reliability
Each cartridge uses a reloadable brass case with a boxer primer and quality powders Remington has been loading for decades. Nothing fancy, nothing that needs premium components—just solid, consistent ammunition that delivers when you need it. This is the ammunition that has filled more hunting tags than probably any other load in the history of big game hunting, and that track record speaks for itself.
Key Specifications
- Caliber: .270 Winchester Short Magnum (WSM)
- Bullet Weight: 130 grains
- Bullet Type: Pointed Soft Point (Core-Lokt)
- Muzzle Velocity: 3,285 fps
- Muzzle Energy: 3,114 ft-lbs
- Ballistic Coefficient (G1): 0.336
- Rounds Per Box: 20
- Case Material: Brass
- Primer Type: Boxer (Non-Corrosive)
- Reloadable: Yes
- Country of Origin: USA
- Manufacturer Part Number: 28940
- UPC: 047700359908
What’s Included
- 20 rounds of Remington Core-Lokt .270 WSM ammunition
- 130 grain pointed soft point bullets
- Reloadable brass cases with boxer primers
Frequently Asked Questions
Is the 130 grain Core-Lokt good for elk with the .270 WSM?
The 130 grain Core-Lokt will work on elk inside about 300-350 yards, especially on smaller framed animals. The WSM's velocity gives you the extra punch needed compared to standard .270 Winchester loads. For longer shots or larger bulls, many hunters step up to heavier bullets like 140 or 150 grain weights, which retain more energy downrange and handle bone better at extended range.
Can I reload this ammunition?
Yes, the Core-Lokt comes in reloadable brass cases with boxer primers. You'll need large rifle magnum primers and appropriate powders like H4831SC or RL-22. Always consult current reloading manuals for your specific components before loading—the .270 WSM likes its powder charges, and you want to work up carefully.
How does the pointed soft point bullet compare to a regular soft point?
The pointed soft point (PSP) has a tapered nose that gives it a higher ballistic coefficient than a flat-nose soft point, meaning better velocity retention and flatter trajectory. For a .270 WSM, that flatter trajectory helps minimize holdover at typical hunting ranges, and the pointed profile feeds reliably through most modern rifles.
What is the effective range of this ammunition on deer?
With the 130 grain Core-Lokt at 3,285 fps, you can expect reliable, fast kills on deer out to 300-350 yards. Beyond that, ballistic performance and bullet expansion become less predictable. Most hunters don't take shots past 250-300 yards anyway—that's where the real-world advantages of the WSM over the standard .270 Winchester start to matter less.





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