The Mauser C96 chambered in 9mm Luger — designated the "Red Nine" for the large red numeral 9 carved into the grip to distinguish it from the standard 7.63mm version — was produced during WWI when Germany needed 9mm-compatible pistols for interchangeability with the P08. These are among the most coveted Mauser C96 variants. Type: Semi-Automatic Pistol Action: Single-Action Caliber: 9mm Luger Capacity: 10 Year introduced: 1917, Germany Weight: 43 oz Overall length: 11.75" Status: Discontinued Military use: Yes Intended use: military, collector