I found this at the range & can't identify.


The bullet is .312" 154gr FMJ
It was loaded with 48gr of an unknown flake powder
The case is 2.242" long
7.7x58 Arisaka maybe?

Thanks
--JJK

MAYBE:

7.65 Argentine AKA 7.65

Mauser.

Can't read the headstamp.

From the case length of 2.242,it may be a short necked 7.7 Jap made from an 8x57 case or it may be a wildcat.

Can you give more dimensions, head dia.,shoulder dia.,length to shoulder,neck dia.,length of neck,and shoulder angle?

WC

Well, the case measurement is 57mm and the headstamp says 7.9...

Tony Williams: Military gun and ammunition website and Discussion forum

Is it just 8mm Mauser? I have never seen it headstamped like that...
I guess you learn something new every day.
--JJK

This is a turkish one

8mm mauser (7.92 x 57 to be exact...) And it does look like some of the Turk ammo I've shot recently.

I've never seen a 7.92x57 cartridge loaded with a .312 diameter bullet.

WC