J.B., how were the chambers measured? "Standard" length back then seems to have been 2 7/8", which is awfully close to 3" and only a slight error in measuring could give you 3". Also, there was no firm standard back then so they could have been 3" originally. Suggest you don't let this kill the deal until you have a closer examination. Now, if they were 3 1/2" or so it would indicate the chambers had been lengthened....but not here. This gun just looks too clean to pass.

John McCain is my war hero.