Question about rugers 45acp 45 colt convertable

[pharmer]

I bought this one about 10 years ago for $440. haven't shot it as I have a few other .45 revolvers. Joe

 

[TonyT]

Many yeras ago I had a post WWII 2nd generation Colt SAA originally in 45 Colt for which Ipurchased a 45ACP cylinder from Christy Gun Works. The gun shot equally well with both cylinders.