The PSDR 3 is an integrally suppressed Revolver designed by Joe Peters of Peters-Stahl GmbH for the German SEK (SWAT) of North Rhine-Westfalia. It is based on the S&W model 625. Produced in limited numbers, the PSDR 3 was tested at Hereford, England. At least 9 have been delivered. 1993.

PSDR: Peters Stahl Schalldämpfer Revolver