Caliber: 9mm. Capacities: 17/19/33-round magazines. Barrel: 4.49”. Weight: 22.04 oz. (without magazine). Length: 7.32” overall. Grips: Black polymer. Sights: Dot on front blade, white outline rear adjustable for wind-age. Features: Polymer frame, steel slide; double-action trigger with Safe Action System; mechanical firing pin safety, drop safety; simple takedown without tools; locked breech, recoil operated action. The ILS designation refers to Internal Locking System. Adopted by Austrian armed forces 1983. NATO-approved 1984. The Model 17L has a 6” barrel, ported or non-ported, slotted and relieved slide, checkered grip with finger grooves, no accessory rail. Imported from Austria by Glock, Inc. USA. Gen 4 pistols are law enforcement only.