Ok, that last topic got me to thinking about mine. It's a Model 62, 20" round bbl, no grooves. I picked it up at a gunshow 30 years ago. All serial #'s match, and it's in at least 90% condition. Don't have a clue when it was made. Here's the catch: It was originally marked ".22 Short", but the "Short" has been Xed out, and "LR" stamped in. It's been rechambered, but obviously not with a vise and a pistol drill. Anyone have any knowledge?