One of the strongest pistols ever made the M.12 was the standard Austro-Hungarian side arm during World War One and saw limited service during World War Two. The magazine was fixed and loaded through the top of the slide by charger clip.
Marks and Stamps: (L side of slider) Serial No STEYR 1913 S (L side above trigger ) Serial no Proof stamps (unidentified) (On barrel) 9mm STEYR| Accession Number: 97 | Period of Use: 1912 - 1945 |
| Type: Self loading/automatic pistol | War Zones: First World War; Second World War |
| Country of Origin: Austria | Type Date: 1912 |
| Manufacturer: Osterreichische Waffenfabrik Steyr | Serial Number: 194 b |
| Manufacture Date: 1913 | Calibre/Ammunition: 9mm x 23 steyr |
| Weight: 1020g | Length Overall: 216mm |
| Cyclic Rate: Semi-auto | Length Barrel: 128mm |
| Deactivation Certificate Number: DA 20810 |