Ruger Mark I vs Mark II vs Mark III. What are the differences?
This video details the key differences between the Ruger Mark I, Mark II, and Mark III .22 LR pistols. It highlights that magazines are not interchangeable across generations and explains the evolution of features like the magazine release (heel to push-button), slide stop (integrated to separate), and the addition of a last-round hold-open feature in the Mark II. The Mark III further distinguishes itself with factory-drilled and tapped receiver for optics.









