ATI Schmeisser S50 9mm 50-Round Magazine 9mm A 50 Rounds A Glock Style A Viewing Window A Polymer A MLE The ATI Schmeisser S50 is a 50-round 9mm Glock-style magazine in MLE configuration. Polymer body with integrated viewing window for quick visual round count verification without removing the magazine. Compatible with Glock-pattern pistols and compatible carbines. 50-Round Capacity 50-round capacity in 9mm for extended range sessions with reduced reload frequency. Viewing Window Integrated viewing window allows quick visual round count monitoring during use. Glock Style / MLE Configuration Glock-pattern magazine compatible with Glock-style pistols and compatible carbine platforms. MLE configuration. Specifications: Manufacturer: ATI Model: Schmeisser S50 Caliber: 9mm Capacity: 50 rounds Magazine Type: Glock Style Configuration: MLE Body: Polymer Features: Integrated Viewing Window