I am confused. 

I have a Krag Saddle Ring carbine with SN 285xx.  The surface of the receiver is stamped with "1895".  My research tells me there is no such thing as a US Model 1895 Springfield Krag carbine.

Based on my serial number and according to   (You need to Login, my carbine was made between July 1, 1895 and July 1, 1896.

According to   (You need to Login, there were M1892 and M1896 carbines, but nothing is mentioned of a M1895 carbine.

Can you see why I am confused? Can you help?

Also, some where in the carbines history, someone has scratched "19" (or "79"?) and "P4" into the receiver.  Does anyone have any idea what these scratchings may signify?

Thanks!