Cartridge information help

Picture from the www.cartridgecollector.net
Does anybody has any history information,pictures or drawings about it?
Thanks very much!
BCC(RU%5D%257RDPQMW_22UQ(6G

Seems odd that it would be a Russian experimental on a Chinese case or, if the date on the case is relevant, that the Chinese would make an experimental sporting cartridge in the 1950s. Perhaps Peter will explain?

2x54mmR%2C%20a 2x54mmR%20headstamp
8.2x54mmR, photos from: https://reibert.info/threads/redkie-patrony-i-gilzy.101033/page-10

9 x 53mmR, 9.3 x 64mmR & 8.2 x 54mmR (8.2 x 53mmR) Russian Hunting Cartridge Development
https://infwar.ru/patron/patron-9-3h64-harakteristiki.html

Google translation-

In the early 50s, the factory manufactured only one carbine, the KO-8.2, which was a remake of the army carbine and the Mosin rifles previously produced in 1891/30. By the end of the 50s, new hunting cartridges appeared, the development of which was carried out by TsNIITOCHMASH (Klimovsk). Of the most powerful cartridges, 9-mm cartridges of the greatest interest were in one of which, the cartridge case of 7.62x53 was taken as the basis, and in the other, the cartridge case of 8.2 mm caliber.
The cartridge in which the liner from the 8.2-mm cartridge was used somehow did not stick; a very powerful recoil when fired and the inconvenient flange of the sleeve made it difficult to use in weapons, but the 9x53 cartridge fit well into the automatic Dragunov sniper rifle. As a result, the Bear carbine appeared. Later the “Elk” carbine was developed for the 9x53 cartridge.

Brian

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Are these the same as the Finnish sporting ctgs made from the 7.62 Moisin case?

Here are my notes on the 8.2x54R Russian which may help:


This experimental Hunting cartridge based on the 7.62x54R Soviet military case (SV14) necked up to 8mm is believed to be another Michael Bljum design. This is similar to the 8.2x53R Finnish Sporting (SC42) but does appear to have a slightly higher shoulder (see images).

Specimens have SN bullets and the cases are either without hs or some are known with the Novosibirsk Arsenal “188 58” hs. The no hs cases are either new or ex-military with the hs milled off. The date of experimentation is not known for sure but probably in the 1958-1960 period, especially if the “188 58” hs cartridges were produced in this case type and not just modified 7.62x53R cases.

Older ex-military cases loaded with 8mm PLRN bullets appear to be this same case type - see HS images.

There is also a 8.2x54R based on “71 55” hs cases that has a different shoulder profile and may have been an earlier prototype ? - see images [Daan Schoeman collection]. However this is evidently a Chinese plant code so it would be unusual for them to be producing sporting ammunition so it may well be for a different purpose.

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Just to confuse things further, the Finnish sporting ammunition nomenclature follows German (&European) naming conventions.

Whilst MILITARY cartridges follow
BORE dimensions (7.62, 7.9, etc) the Civilian sporting Cartridges follow BULLET or Rifling GROOVE dimensions…ie, 7.9 barrel = 8.2 Bullet/ Grooves.
Thus an “8.2x 54R” cartridge is a 7,62x54R Military case, neck expanded to take an 8,2mm diameter sporting bullet (.323")
Using a repurposed or new German Military 7.9mm Kar98k barrel:
(“S” RIFLING, 8,2 mm grooves.)
After both WWI and II, Finland had many 7.9 German Rifles, and they were used Barrels to create Sporting rifles based on the Mosin action and Rimmed Russian Cartridge case.
TheRussians did similarly, using the 7.62 case to make the 5 shot semiauto MEDVED ( Bear) rifle, using a 9 mm ( nominally .360")
Bullet and Grooves…should becalled a “9.3”…
The intricacies of Sporting vs Military never cease to intrigue me! And confuse the unwary!

Doc AV.

FWIW, here is a wikipedia article on the 9x53mmR which superseded the 8.2x53mmR.

Thanks for the extra info Brian.

Just to clarify, I don’t believe that the 9x53R actually superseded the 8.2x54R. If you read the comments about the two, they were both developed in the 1950’s (the 9x53R developed slightly earlier in fact) but the 9mm worked well and was successful, the 8mm was not.