Ruger Cylinder measurements

[mec]

In the early 2000s, Ruger .45 Colt cylinder mouths measuared .449-inch. The forcing cone/ bore was larger- at least nominally .452. For satisfactory accuracy, people were reaming the chambers for a better fit with the bore and it worked. I sent a cylinder to guy with a reamer and he greatly improved the accuracy

Does anybody know if Ruger ever got around to doing the job THEMSELVES???
Thanx

 

[SDGlock23]

No they're still terrible, sad to say.

 

[.38 Special]

My most recent stainless Vaquero (2018, IIRC) showed up with uniform .452 throats.

 

[murf]

my y2k (bought new in april 2000) blackhawk came with .452" throats. that gun is much more accurate than i am and shoots plain base lead bullets without leading.

murf

 

[Pat Riot]

My New Vaquero purchased last March has 5 chambers at .451” and 1 chamber at .4505”.

My original Vaquero made some time before 2005 has all 6 chambers measuring .451”

 

[mec]

Blackhawks, as a rule are like that. 45 colt chambers from Colt and Ruger have a "creative" history though.
Ruger 44 specials and magnums are usually exactly right
44 special new model flat top.

 

[LOLBELL]

Of the four 45c Rugers I own all have .452-4525 throats except a early production Vaquero. I had to have it reamed. The throats were uniformed just tight. I could not get a .451 pin gauge to pass through but a .4505 would. I do have a Super Blackhawk Hunter in 44m that had throats from .429 to .433. Reamed all the small ones to .432 now it has done 2” at a hundred. Scoped and off of sandbags of course.