The High Standard HDM is a modified High Standard HD model semiautomatic target pistol equipped with an integral sound suppressor.
Note: Though all High Standard pistols are marked "Hi-Standard" the name of the company is still spelled "High Standard"
The High Standard HDM pistol can be seen in the following films and video games used by the following actors:
High Standard HD Model for comparison (standard factory barrel, no suppressor) - .22 LR
High Standard HDM with integrated silencer .22 LR
Close up of High Standard HDM with integrated silencer .22 LR
High Standard Model 106 Military with standard length heavy target barrel and target sights) - .22 LR
Film
Video Games