
Upon completion of their military service, commissioned officers of the can obtain ownership of their P220 service pistols by paying an administrative fee of thirty. It was followed by the, incorporating a double stack magazine. Other nations to adopt it for military use include Japan (general issue) and Denmark (which has the earlier P210 in general issue) only to special forces.

In 1975, Switzerland became the first nation to officially adopt the P220 as the 'Pistole 75' (P75) chambered in 9 mm Parabellum. For the commercial production and distribution of the P220, SIG partnered with of Germany, thus, the P220 and all subsequent pistols from and are properly known as SIG Sauer pistols.

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Original production SIG Sauer P220, features a 'heel-mounted' magazine release.
