.357 double action

PRICE DROP WTS Beautiful 1970 S&W 19-3! For sale to a good home: this beautiful 1970 Smith & Wesson Model 19-3. I determined the year based on the model number and very helpful posts found on this forum. I purchased this gun a couple of years ago from a collector who was liquidating his...

I have recently purchased an m681-1 .357 revolver; however, it is a double action only meaning I cannot lock the hammer back in the fire position. The gun does have the "M" stamped above the model number indicating it was modified back at the factory for a recall issue. Is the double action...