Hi All - I'm trying to help a club member get some loading info for a K98 Mauser he recently bought - we've worked out that he's looking for a bullet somewhere between 180 and 200 gn, and possibly a Spitzer type (?)
But when it comes to the diameter it gets a bit confusing - after a trawl of the web there seems to be a lot of bullets that come under the general name of '8mm Mauser':
7.8X57JR
Commercial rimmed .318" bullet
7.9X57mm
Other Militaries-Turkey, South America
7.91, 7.92X57
German Military
7.92X57J
German Military .318" bullet
7.92X57JS
German Military .323" Spitzer bullet
7.92X57JsS
German Military .323" Heavy Spitzer bullet
8X57 Mauser
Commercial rimless .323" bullet
8X57R Mauser
Commercial rimmed J/JS .318/.323" bullet
8mm Mauser
Commercial rimless J/JS .318/.323" bullet
8mm Special
Early Commercial Remington
The rifle in question is chambered for 7.92 x 57 - from what I can make out 7.92 is .318 inches, but there is only 1 bullet type on Midway that matches this description (Naturalis type) - All the Spitzer type bullets are described as 8mm, but they are .323 inches - Various sites on the web seem to suggest that all these are suitable for K98s...?
Also, I looked in that Vihtavuori manual - they have data for '8 x 57 IS (8mm Mauser)' , including Naturalis and Spitzer bullets...is this data intended for K98s...?
Any sharing of knowledge and experience on this one would be greatly appreciated :cheers:
K98 loading
Moderator: dromia
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All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should be treated as suspect and not used.
Use reloading information posted here at your own risk. This forum (http://www.full-bore.co.uk) is not responsible for any property damage or personal injury as a consequence of using reloading data posted here, the information is individual members findings and observations only. Always verify the load data and be absolutely sure your firearm can handle the load, especially older ones. If in doubt start low and work your way up.
All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should be treated as suspect and not used.
Use reloading information posted here at your own risk. This forum (http://www.full-bore.co.uk) is not responsible for any property damage or personal injury as a consequence of using reloading data posted here, the information is individual members findings and observations only. Always verify the load data and be absolutely sure your firearm can handle the load, especially older ones. If in doubt start low and work your way up.
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bnz41
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Re: K98 loading
PM sent.
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dromia
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Re: K98 loading
7.92x57 or the 8mm Mauser when it first came out used a .318" 225gn bullet and had an "I" designation for Infantry, the "J" came from the gothic script used at the time but is actually an "I".
When the new Spitzer 153 gn bullet was adopted in in 1905 or so the rifle was rechambered for the new bullet being .323" diameter and the round got the "S" for Spitzer designation hence the 7.92x57J(I)S.
So you need a .323" 150 gn bullet for the K98 it being chambered for the 7.92x57J(I)S
Brackets are mine.
When the new Spitzer 153 gn bullet was adopted in in 1905 or so the rifle was rechambered for the new bullet being .323" diameter and the round got the "S" for Spitzer designation hence the 7.92x57J(I)S.
So you need a .323" 150 gn bullet for the K98 it being chambered for the 7.92x57J(I)S
Brackets are mine.
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Dougan
Re: K98 loading
Thank you gentlemen - that's made totally clear what an hour on google could not 
I'll get my friend to double check his chambering and pass the info on - It's looking good, in that he would prefer to stick to Viht powder (as already used for other rifles), and assuming it is .323 then there is data for both 150 and 200 gn Spitzers...
Many thanks :cheers:
Dougan
I'll get my friend to double check his chambering and pass the info on - It's looking good, in that he would prefer to stick to Viht powder (as already used for other rifles), and assuming it is .323 then there is data for both 150 and 200 gn Spitzers...
Many thanks :cheers:
Dougan
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