Smith and Wesson
Military & Police
(Post Office Model)
.22 LR cal., double action revolver built on the square butt K frame with 5 screws, designated as a training gun for the U.S. Postal Service, the only K frame produced in .22 LR with fixed sights, blue finish, 6 shot with 4 inch round barrel, not cataloged by S&W. Mfg. circa 1948-1957 and continued as the Model 45.
20 units shipped in April 1957 to the Boston Police Dept. Boston, Mass with 6 inch barrel with blue finish with Magna walnut stocks and marked "B.P.D." with number on the smooth backstap. The BPD numbers were from 16T to 35T, this one is 18T. The revolvers had 4 screw frames.