100-700 USD
He is left handed.
Right handed
Yes, Mark Twain was left-handed. He was known to have been left-handed for most of his life, as there are many photographs and accounts that show him using his left hand for writing and other tasks.
Yes
Best left to a gunsmith
Magazine
He is left handed
No such Ruger ever made
Not currently cataloged.
Primarily in the magazines; Mark II has a bolt hol open also
Go to Ruger's web site to find out.