What are the major differences between the ruger mk I, II and II pistols?

Question

and are the magazines interchangeable?

Answer 1

The first of the series and the gun that launched Ruger was the Standard Automatic, most people mistakenly refer to this as a MkI

The Standard Auto came with 4 3/4or 6 inch barrels and was loosely based on the Nambu and Luger designs

MkI had Target grips and a 3 1/4 barrel or a 6 7/8 barrel and a heavier target barrel but basically still the Standard Model

Mark II added a last shot hold open on the bolt and more barrel configurations , one more round to the magazine, and scallops behind the bolt for easier gripping

I have no idea about MkIIIs because I have never owned one and lost interest in the series after my fifth Mk

Answer 2

Vangion has the Mk I and MK II right.  The MK III added the b*****d magazine disconnect, a loaded chamber indicator on the left side, and moved the magazine release from the traditional bottom to just behind the trigger guard on the grip.  The Mk II & Mk III both could be had in the 22/45 configuration.  This model has always had the magazine release where John Mosses Browning designed it to be on a M1191.

Magazines from the MK I and MK II bottom magazine release are interchangeable.  Mk III have a notch for the magazine release to lock on and are not interchangeable with the earlier design.  The 22/45 have a different magazine from the others and have different ones for the MK II and MK III, but the Mk II will work in the MK III.

Answer 3

The III was a slightly more revolutionary design, employing the more upright "military" grip angle giving it a feel more like a 1911. The grip panels cannot be changed like the I and II.

I like the feel of the III better but have small girl hands. Not real pleased with the trigger action.

Yes some girls like guns!

Answer 4

People usually prefer the mkii to the mkiii. One reason is the mkiii's magazine stop. If there isn't a magazine in the gun and a round in the chanber it won't fire. The mkii doesn't have this. The mkii has a wider array of aftermarket parts, you can change the grips and I think the grip is better.

If you considering getting one of these get the mkii.

Answer 5

Im thinkin they are all good guns and I shouldnt even be answering this because I havent actually researched the difference. If You want a good gun get one. They are very fine pistols. Some of them have a 1911 style grip, others have a luger type grip. Go to rugers website and the differences should be spelled out for you.