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Remington R7MSR1 Core-Lokt 7x57mm Mauser (7mm Mauser)140 GR PSP 20 Rounds
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SKU: R7MSR1-047700053707
Overview
Built for hunters using the 7x57mm Mauser chambering, this 20-round box offers a 140-grain Core-Lokt PSP soft-point load suited to traditional big-game hunting applications. It comes in reloadable brass cases with non-corrosive boxer primers, giving it practical appeal for shooters who value straightforward components. The listed muzzle velocity of 2660 fps and muzzle energy of 2119 ft/lbs provide a clear picture of its performance profile. This is a classic, no-frills hunting load for those who want a familiar soft-point option in a proven cartridge.
Why Hunters Choose the Remington
140-grain Core-lokt
PSP soft-point bullet for hunting
Reloadable Brass
Cases support case reuse after
Non-corrosive Boxer
Primers are specified in the
20 Rounds
Per box for range sessions
7x57mm Mauser
Listed 2660 fps muzzle velocity
Key Features
- 7x57mm Mauser (7mm Mauser) caliber ammunition
- 140-grain Core-Lokt PSP soft-point bullet
- 20 rounds per box
- Reloadable brass cases
- Non-corrosive boxer primers
- Muzzle velocity listed at 2660 fps
- Muzzle energy listed at 2119 ft/lbs
Best Used For
- Hunters using 7x57mm Mauser rifles for standard big-game hunting applications
- Shooters who prefer 140-grain PSP soft-point ammunition in a 20-round box
- Rifle owners wanting reloadable brass cases with non-corrosive boxer primers
- Seasoned hunters or newer shooters choosing a familiar Core-Lokt load
Specifications
| Bullet Type | Core-Lokt PSP Soft Point |
|---|---|
| Bullet Weight | 140 Grains |
| Caliber | 7mm Mauser (7x57mm) |
| Casing | Brass |
| Muzzle Energy | 2119 ft/lbs |
| Muzzle Velocity | 2660 fps |
| Primer Type | Non-corrosive boxer primers |
| Reloadable | Yes |
| Rounds Per Box | 20 |
Pros
- 140-grain Core-Lokt PSP soft-point bullet for hunting applications
- Reloadable brass cases support case reuse after firing
- Non-corrosive boxer primers are specified in the product data
- 20 rounds per box for range sessions or field use
- 7x57mm Mauser caliber with listed 2660 fps muzzle velocity
- Listed muzzle energy of 2119 ft/lbs
Considerations & Trade-offs
- Limited to 20 rounds per box, so larger-volume practice or extended range sessions will require multiple boxes.
- The 140-grain PSP soft-point bullet is a hunting-focused load, which may not suit shooters looking for a different bullet style or training-specific ammunition.
- This is chambered specifically for 7mm Mauser (7x57mm), so it is only appropriate for firearms in that caliber.
Suggested Comparisons
- 7x57mm Mauser hunting ammunition
- Soft-point rifle ammunition
- Brass-cased centerfire rifle ammo
- Reloadable rifle ammunition
Suggested Accessories
- Ammunition storage box
- Hearing protection
- Rifle cleaning kit
- Ammo pouch
Frequently Asked Questions
What caliber is this ammunition chambered in?
This load is for 7x57mm Mauser, also listed as 7mm Mauser.
What bullet type and weight does it use?
It uses a 140-grain Core-Lokt PSP soft point bullet.
How many rounds come in a box?
Each box contains 20 rounds.
What case and primer type are listed?
The ammunition is listed with reloadable brass cases and non-corrosive boxer primers.
What velocity and energy are provided in the product data?
The listed muzzle velocity is 2660 fps and muzzle energy is 2119 ft/lbs.