T troopcom New member Oct 14, 2011 #1 Looking at a M91/30 with a "OP" proof mark on the receiver and also a single "P" on the receiver, dated 1928. Can anyone tell me what this mark is and means?
Looking at a M91/30 with a "OP" proof mark on the receiver and also a single "P" on the receiver, dated 1928. Can anyone tell me what this mark is and means?
C CLC New member Oct 14, 2011 #2 Hmmmmm...... im not really sure but if you check out 7.62x54r.net you might have more luck. Someone with more knowledge will be long im sure.
Hmmmmm...... im not really sure but if you check out 7.62x54r.net you might have more luck. Someone with more knowledge will be long im sure.
