The SIG Sauer P220 is a semi-automatic pistol designed in 1975 by the SIG Arms AG division of Schweizerische Industrie Gesellschaft, and produced by J. P. Sauer & Sohn, in Eckernförde. It is currently manufactured by both SIG Sauer companies: SIG Sauer GMBH, of Eckernförde, Germany; and SIG Sauer, Inc., of New Hampshire, United States.
Original production SIG Sauer P220, features a "heel-mounted" magazine release lever. Two views of the same Swiss Army pistol, on display at Morges castle museum.
Detail of the controls and parts on a P226, which are identical to most variants of the P220: 1. Ejection port/locking lug, 2. Rear sights, 3. Hammer, 4. Takedown lever, 5. Decocker, 6. Slide stop, 7. Trigger, 8. Magazine release (on some P220s this is located at the bottom of the grip).