As near as I can make out, the headstamp says:
7.62x51 DAG95K0506
Letters and numbers are pretty tiny, I may have got one or more wrong.
Click image to see it larger.
![Image](http://i239.photobucket.com/albums/ff206/arwatch/Firearms/th_IMG_3672_zps7f8c71e7.jpg)
![Image](http://i239.photobucket.com/albums/ff206/arwatch/Firearms/th_IMG_3671_zpsc00af700.jpg)
![Image](http://i239.photobucket.com/albums/ff206/arwatch/Firearms/th_IMG_3669_zpseed913e6.jpg)
![Image](http://i239.photobucket.com/albums/ff206/arwatch/Firearms/th_IMG_3668_zps4f3b83a0.jpg)
Can anybody enlighten me about this thing?
It's officially the weirdest thing in my picked-up brass collection, now.