Subcompact .357 SIG on the G27-size frame. The G33 Gen3 is the smallest factory Glock in .357 SIG, offering full-.357 SIG power in a backup-carry package. Recoil is substantial in the subcompact frame but controllable. Type: Semi-Automatic Pistol Action: Striker-Fired Caliber: .357 SIG Capacity: 9 Year introduced: 1999, Austria Weight: 19.75 oz Overall length: 6.29" Status: Discontinued Intended use: law enforcement, backup, off-duty