Need help with some shells

[hikeinmts]

No pictures, sorry. I went on a hike/hunt here in S. Korea today. Stumbled on a small military position, I think. Anyway, all I
found there were some live ammo, pistol and rifle. Need help in seeing who occupied that position.
RIFLE: triangular markings.....D to the top left, M to the top right, 44 on the bottom. It is a tracer round.
RIFLE: square markings....D to the top left, M to the top right, 4 to the bottom left, 5 to the bottom right. It is a tracer round.
RIFLE: triangular markings....D to the top left, M tot he top right, 4 on the bottom. It is a tracer round.
PISTOL: triangular markings.....L to the top left, C to the top right, 45 on the bottom.
PISTOL: diamond markings.....3 on the top, star on the right, 47 on the bottom, star on the left.
Thanks to anyone who can help.
Also, found 6 older Korean coins, oldest being 1742, another 1742, both large size.
4 smaller coins, in the 1700/1800s. And a small part of a holed coin. Also found an old handmade brass spoon, and an old-style
middle school button.
Hiked about 6 kms total, to find the coin site. Big tree....small site. Have fun digging.

 

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[Krosp1718]

DM is the Des Moines ammo plant. LC is Lake City. The number should, generally, be the year it was produced. Pictures would be great, but basic dimensions (overall length, dia of bullet, etc.) would be helpful for identifying. Since the M1 Garand/M1911 were still the service rifle/pistol in Korea and you have American headstamps, I would guess you've found some USGI .30 and .45 ACP ammo.

I've no idea what the headstamp with the 3 diamonds is.

 

[hikeinmts]

Thanks Krosp.....that answers my questions. So, I probably stumbled across a sentry post high in the mts, overlooking two huge valleys.....which makes sense.
BTW, it is not "3 diamonds" on top......I meant to say, that there was a number 3 on top, star on the right, number 47 on the bottom, and another star on
the left. Thanks for the info.

 

[NOLA_Ken]

Your unknown pistol shell is possibly Russian,

[FONT=Arial,Helvetica]Small arms ammunition up to 14,5mm:[/FONT]

Russian Federation and Associated States without Czechoslovakia:

The factory code of the state factories are all located at the 12 o´clock position, with the year of manufacture at the 6 o´clock position. The codes consist of one, two or three digit factory numbers, sometimes there are 5-point communist stars at the 3 o´clock and 9 o´clock positions, especially in the calibers 12,7mm and 14,5mm. The headstamp is not a stamped-in mark. The marks and numbers are all embossed. As a rule of thumb, this can be said about Russian Federation and Associated States small arms cartridges headstamps: Most East Germany factory numbers begin with 0, examples: 04, 05 Bulgaria used numbers 10 (=Friedrich Engels factory, Arsenal Kazanluk) , 33 (in a double-circle) Hungary used 21 and 23 for example Poland used 21, 54, 234 and 343. When 21 was used, the year was stamped upside down. Romania used 15, 21, 22, 321, 322, 323, 324, 325 and RPR, PA, CMC Heavily used Russian state factory numbers are: 3, 17, 188, 606, etc. .....