What at first I thought were European Mauser dummy rounds of some sort may be of Japaneseorigin.
If you are interested in this little investigation, click on the link to the Milsurps "Ammo" forum below:
https://www.milsurps.com/showthread.php?t=23066Information
![]()
Warning: This is a relatively older thread
This discussion is older than 360 days. Some information contained in it may no longer be current.