The SOLGW Jack is a 9mm AR-pattern rifle built on a dedicated GLOCK-compatible lower, bringing Sons of Liberty's quality standards to the pistol-caliber carbine market with GLOCK magazine compatibility. Type: Rifle Action: Semi-Automatic Caliber: 9mm Capacity: 33 Year introduced: 2018, USA Weight: 58 oz Overall length: 32.5" Status: Active Intended use: Home Defense, Competition