Go to Ruger's web site and request a owner's manual. They wil send you one for free.
Primarily in the magazines; Mark II has a bolt hol open also
Ruger's web site has sn tables.
Ruger has sn data on their web site.
No
Ruger's website has a sn function.
If it's a MK II, it will be marked as such.
9
50-200 or so
Ruger's website has sn tables that will answer your question.
If the Ruger website is working, it has sn data on it.
Ruger's website has sn tables that will answer your question.
Magazine