review of the ruger mark i pistol 22lr ruger standard the pistol that built ruger mark 1 22lr semii auto pistol mark i 22 auto pistol gun ad original ruger 22 handgun gun digest s top the ruger 22 automatic pistol ruger 22 handgun gun digest s top ruger mark i automatic pistol cal the ruger 22 automatic pistol standard ruger mark i 22 lr semi automatic mark iv semi automatic 22 lr pistol ruger mark i 22 lr semi automatic