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Sellier & Bellot has been turning out ammunition in Vlasim since 1825, and this 8×57 JS load is a great example of why so many Mauser owners keep coming back to the brand. Each round is topped with a 196 grain full metal jacket bullet built around a lead core wrapped in a solid metallic jacket. That rigid jacket construction keeps the bullet from deforming on impact, punching a clean, consistent hole through paper or steel without shedding jacket material or leaving lead behind in the bore.
This load leaves the muzzle at roughly 2,559 feet per second, generating close to 2,850 foot pounds of energy, numbers that put it right in line with what a lot of shooters expect from a 30-06 class cartridge. The boat tail profile gives it a G1 ballistic coefficient around .509, so it holds velocity well and bucks wind better than older military ball ammo. Whether you're stretching out to 100 yards on paper or getting a feel for how your rifle groups, this load is consistent enough to actually tell you something about your rifle and not just your trigger pull.
The case is brass, boxer primed, and completely non-corrosive, which means no special cleaning ritual after you're done shooting. Reloaders like this ammo because the brass holds up well and is easy to resize, so if you load your own, hang onto these cases instead of tossing them in the scrap bucket.
The 8mm Mauser cartridge dates back to 1888 and got its modern .323 inch bullet diameter in 1905, which is exactly what this JS designation refers to. It's the reason so many surplus and sporterized Mauser actions, from the K98k to the Yugo M48 to the old Gewehr 98, are still getting fired at ranges today. This FMJ loading is aimed squarely at those rifles, giving owners of these old warhorses a dependable, steel-free option for practice, familiarization, and just enjoying a piece of history without hunting down corrosive surplus ammo of questionable age.
As long as your rifle is chambered in 8×57 JS (the standard .323 inch bullet diameter used on nearly all Mauser 98 pattern rifles made after 1905, including the K98k, Yugo M48, and VZ-24), this ammo is a safe and appropriate choice. Older J-bore rifles with .318 inch groove diameters should not use this ammo, so if you're unsure which you have, it's worth having a gunsmith slug the bore before shooting.
Yes, these are boxer primed brass cases that reloaders commonly save and reuse. S&B brass has a good reputation for holding up to multiple reloading cycles without issue.
The J-bore was the original 1888 loading with a .318 inch bullet, while the JS designation adopted in 1905 uses a larger .323 inch bullet and higher pressures. This ammunition is loaded for the JS spec, so it should never be fired through a rifle with the older, smaller J-bore.
FMJ bullets are designed for target work and practice rather than hunting since they don't expand on impact. If you're after a hunting load, S&B also makes a soft point cutting edge version in the same 196 grain weight that's built for controlled expansion on game.
| UPC | 754908511815 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SB857JSA |
| Caliber/Gauge | 8mm Mauser |
| Case Material | Brass |
| Grains | 196 gr |
| Model | |
| Product Type | Full Metal Jacket |
| Shipping Weight | 1.32 |
| Units per Box | 20 |
| Cost per Round | 1.65 |
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