The G20 SF (Short Frame) Gen3 variant features a reduced trigger reach achieved by modifying the grip frame geometry. Designed to accommodate smaller-handed shooters seeking the full 10mm Auto power level. The SF designation was introduced before the Gen4 backstrap system made this adjustment simpler. Type: Semi-Automatic Pistol Action: Striker-Fired Caliber: 10mm Auto Capacity: 15 Year introduced: 2007, Austria Weight: 27.68 oz Overall length: 7.59" Status: Discontinued Intended use: hunting, outdoor, law enforcement