7.7 japanese odd rounds


#1

I HAVE BEEN GOING THRU MY GARAGE AND HAVE FOUND QUITE A FEW ROUNDS THAT BAFFLE ME. THESE ARE BOTH 7.7 JAP ROUNDS THE FIRST IS A RIMLESS RIFLE ROUND WITH A SMALL BIT OF LEAD ON THE NOSE OF THE BULLET THE OTHER IS A FLAT POINT WITH BLACK SEALANT AROUND HE CASE MOUTH. I CAN SEE NO COLORED SEALANT AROUND EITHER PRIMER. WHAT I HAVE HERE IS A TOTAL MYSTERY TO ME.





#2

Not sure about the 1st picture… maybe a reload?

The second (with flat tip) looks like an Incendiary round (type 3)

I am sure the smarter of us will pipe up and correct me… :D


#3

DOESN’T APPEAR TO BE A RELOAD THE CASE MOUTH CRIMPS LOOK INTACT.


#4

I believe the flat tip round is actually HE, a fairly scarce character. I would have to agree on reload for the round nose round, but of course, anything is possible.


#5

Definitely a rimless round and not semi-rimmed? The flat-tipped bullet and dark purple casemouth seal look very much like the explosive Type Ma101 Incendiary but this would only be found in a semi-rimmed case. According to Ken Elk’s book on Japanese ammunition there was no flat-tipped loading in the rimless case type.


#6

Also, be sure that the flat-tip round is not a 7.9 x 57 mm Mauser. They are “so Japanese” that sometimes people
just assume, without even a close look or measurement, that they are 7.7. The Mauser rounds in this type are
relatively (note that I said “relatively”) common. Back before they were illegal in California, I had five or six rounds
of the 7.9 x 57 go through my hands, and I don’t recall every having one of the 7.7 SR in this loading. Of course, I
didn’t collect that caliber, but if one had been offered to me in trade, or cheap, I would have acquired it for my trade
stuff.


#7

BOTH ARE 7.7 JAP THE FLAT POINT IS SEMI RIM WITH BLACK SEALANT AROUND THE CASE NECK.


#8

It is hard to see in the photo but does the first one look like the tip has been ground down with a grinder or file?
Taking the tip off and round nosing with a grinder is a common way to ‘sporterise’ FMJ military ammo for hunting.


#9

YOU MAY BE RIGHT THERE ARE SOME FAINT TOOL MARKS NEAR THE TIP IF SO SOMEONE WENT TO A WHOLE LOT OF TROUBLE DOING IT.