I recently acquired a 1942 Sako M39. I also purchased a matching sling. I believe it's a green civil guard sling. After looking closely I feel like I have mounted it correctly. Just after any knowledgeable opinions as to whether or not it is correctly mounted. Thanks for your time.
http://m.imgur.com/gallery/4gdz7mq
http://m.imgur.com/gallery/heg08oE
And I'm having trouble uploading or linking images :/