I own two Mk. 3 Rugers, one I got in 2007, seems fine, and gets some workouts at the range. And a new stainless 22/45 that I hope to use this week for it's trial run.
Read on another forum of 1 guy with cracking of the tube receiver on the Mk. 3 due to the loaded indicator tab location weakening the gun. I have never heard of that before, it must be rare. I wonder if it was simply a bad lot of them leaving the factory? Ruger did remedy the problem with the owners, gotta love good customer service!
I did the magnet test on my new 22/45 stainless this morning and the tube receiver is not as magnetic as the barrel, different metals for sure. I also don't hear the gripes about the Mk. 3's that were more common a few years ago, jamming, etc. My Mk. 3 is more reliable than my Mk. 2, but it did make me sweat abit when I bought my first Mk. 3.
Anyone else know of cracking tubes on their Mk. 3's?
Thanks.