need id help on ammo

[toooldtocare]

I found some brass at work today. says 7.91 fs 1941. It looks like turkish mauser. I found conflicting reports on the web. Is this in fact the same as 8mm mauser?

[gew98]

It sounds exactly as you postulate...surplus turk '8mm' mauser. It will be loaded with a nominally 154 grain flat based pointed FMJ bullet. It will be corrosive primed and genrally the ammo is on the hot side and as often the brass brittle at the case neck.

[toooldtocare]

outta 125 pieces 19 were had split necks. Is it worth reloading?

[gew98]

If it's turk it's berdan primed...hence scrap once fired. Only 7,92 boxer brass from that era I have ever encountered and reloaded was the canadian 7,92 MM 41,41,43,44 dated marked and winchester 7,92 made for the chinese.

[MtGun44]

reloading berdan is possible but due to a myriad of primer sizes and POWER settings,
(7.62x39 primers will FIT, but NOT light a large case like 7.5 Swiss or 7.62x54R !) berdan
primed brass is usually considered junk in the USA.

Trying to get proper primers that will actually work for 7.5 Swiss and now own a
few thousand that will NOT ignite 7.5 Swiss reliably. PITA at least!

Bill

[madsenshooter]

Could be worse MtGun44. I have 4800 Russian unleaded primers that won't light a load of Varget in a .308 size case, least not reliably. After buying them, I found this: http://arxiv.org/ftp/arxiv/papers/1203/1203.2701.pdf

[uscra112]

Could be worse MtGun44. I have 4800 Russian unleaded primers that won't light a load of Varget in a .308 size case, least not reliably. After buying them, I found this: http://arxiv.org/ftp/arxiv/papers/1203/1203.2701.pdf

That's a very interesting report. Thanks for posting the link.

[toooldtocare]

I guess its scrap then

[JIMinPHX]

I've fired split neck turk ammo before in a K-98. My results were OK, but I'm thinking that it's not one of the more intelligent things that I have ever done.

With 8mm Mauser ammo, be aware that there are two different actual diameters, an old one & a new one. I think that the designations for the two types may have been J & S. They are slightly different. I don't remember all the specifics. Be sure that you have the right ammo for your gun.

[Ed in North Texas]

I've fired split neck turk ammo before in a K-98. My results were OK, but I'm thinking that it's not one of the more intelligent things that I have ever done.

With 8mm Mauser ammo, be aware that there are two different actual diameters, an old one & a new one. I think that the designations for the two types may have been J & S. They are slightly different. I don't remember all the specifics. Be sure that you have the right ammo for your gun.

Yes the 8x57mm early version had a groove diameter (nominal) of .318", while the adoption of the Spitzer bullet in the later version resulted in an increase in groove diameter to a nominal .323".

The 8x57mm I (Infanteriegewehr with the I rendered in the us as J) was the .318" bullet, while the 8x57mm IS (Infanteriegewehr Spitzgeschoss - JS in the US) is the later .323" spitzer bullet ammo. All of the Turk surplus ammo imported (what between 10 and 20 years ago, along with a boatload or two of '38 rifles) is of the IS .323"type.

Ed