Snake-Eyes
Master
Yep, they do. View attachment 290173
Or send one you already own to a smith to chop it to 3”, threaded.
Apparently, Ruger says 3” is the sweet spot of still reliably cycles with most ammo, yet short enough to comfortably have a suppressor live off the end of it.
Grumpy’s in Texas seems to have good reviews:
Barrel Threading Service Pistols, Ruger MK I thru IV, 22/45, S&W Victory etc.. Ask for other styles
**** Pistol Barrel Threading Service **** Ruger MK I, MK II, MK III, MK IV, 22/45 22lr Pistols, Smith & Wesson Victory, and more. Short, Long & Bull Barrels
grumpysguns.com