Talk:7.92×57mm Mauser

Photo shows a 30-06?
In the lead-in picture, is the second-from-the-left actually a 30-06?

It looks similar in diameter to the 6.5x55, suggesting it is a 270.

Still a good and useful picture, but I think it may be mislabeled. — Preceding unsigned comment added by 139.142.154.98 (talk) 16:24, 8 June 2016 (UTC)


 * I measured the diameter of the .30-06 Springfield and .308 Winchester projectiles in the picture as best as I could and they are identical. The cannelure makes the .30 projectile look slender.--Francis Flinch (talk) 19:42, 8 June 2016 (UTC)

I see that now. When I cover up the cannelure they do look the same diameter. Thank you for the quick response -Ulrich — Preceding unsigned comment added by 205.206.74.13 (talk) 02:25, 9 June 2016 (UTC)

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Ballistic performance
The examples of ballistic performance all seem to be rather "hot" loadings; I guess I was expecting to see the standard WW2-era military loadings producing a muzzle velocity of 750-800 m/s which I eventually found in a (somewhat broken) table further down the page, though I accept "I was expecting to see" is a little subjective. Any reason why the five selected for the infobox are what they are, though? --Vometia (talk) 03:31, 21 December 2022 (UTC)

The rimmed cartridge is a JRS, not IRS.
I am not a Wikipedia editor but someone should correct this error. I checked the archive pages and it has been wrong for many years. This error occurs on Production History - Variants, in the Civilian use section body and photo caption, on The 7.92×57mm Mauser as parent case photo caption. In the photo you can actually see the JRS letters on the cartridge. If you examine the pdf document for Citation 1 it shows JRS not IRS many times within the document. Admittedly the German CIP document in Table II for Citation 12 does show IRS. I will assume that is a typo in the document or perhaps a German language variation. Regardless JRS is the correct designation. 2601:5C2:200:122E:40B5:3075:C62E:29AF (talk) 17:03, 26 February 2023 (UTC)


 * IRS is in fact the correct caption in this case. As quoted under the "Cartridge naming," section,
 * "The letter "J" often mentioned by English speaking sources is actually an "I" for Infanterie (German for "infantry"). A stamped "I" at the cartridge bottom in writing styles used in the past in Germany could be easily mistaken for a "J". Even in the 21st century the "I" is often substituted by a "J" in English speaking communities and German ammunition manufacturers often write "JS" instead of "IS" to avoid confusing customers."
 * The differing citations can be explained by this mistake's prevalence in English sources. Cnkcnk123 (talk) 10:06, 16 April 2024 (UTC)