I know, I know, a "clever" guy before me drilled right thought this piece of art (right through the Portuguese crest). I'm wondering what type of scope mount these holes are for?
https://www.milsurps.com/images/impo...7/UBwAgl-1.jpg
https://www.milsurps.com/images/impo...7/lIpDVl-1.jpg
Also any meaning of the letter F on the safety?