The ATI Schmeisser S50 MLE Glock Pattern 9mm Magazine brings German-engineered quad-stack technology to your Glock-compatible platform, delivering a massive 50-round capacity in a complete, ready-to-run kit. Developed through ATI’s exclusive U.S. import partnership with Schmeisser GmbH — the German manufacturer behind proven high-capacity magazine designs for AR-15 and AK platforms — the S50 MLE adapts that same quad-stack expertise for 9mm Glock-pattern firearms. Built from fiberglass-reinforced polymer with a high-quality stainless steel spring, this magazine is engineered for reliable feeding across pistols and pistol caliber carbines (PCC) alike, and is rated for full-auto use.

• ATI Schmeisser S50 MLE Glock Pattern 9mm Magazine — 50 Round (Black Polymer)
• Fiberglass-reinforced polymer construction with aggressive grip texturing for positive handling
• Quad-stack (4-stack) internal design enables 50-round capacity (Glock 17/18) or 48-round capacity (Glock 19 body)
• Transparent round-count witness windows on the magazine body for at-a-glance capacity checking
• High-quality stainless steel spring for reliable feeding under sustained and full-auto fire
• Tool-free installation; extension can be removed at any time using the included disassembly tool
• Kit includes disassembly tool and a dedicated magazine loader (load assist device) for ease of loading the quad-stack extension
• Compatible with Glock 17, Glock 18, Glock 19, and 9mm Glock-pattern pistol caliber carbines (PCC)

Specifications

• Manufacturer: ATI
• Model: Schmeisser S50
• Caliber: 9mm
• Capacity: 50
• Magazine Type: Glock Style
• Body: Polymer with Viewing Window

High capacity magazines are restricted in certain states: California, Colorado, Connecticut, District of Columbia, Illinois, Hawaii, Maryland, Massachusetts, New Jersey, New York, Vermont and Washington may be restricted in other municipalities. It is the customer’s responsibility to be aware of and abide by all applicable local laws. If you attempt to order over the rounds required for your area you will be contacted and the item will be reduced and removed from your order.