Specifications and Features:Sturdy Impact Resistant PolymerStrong and DurableCaliber: 9mm LugerCapacity: 34 RoundsHeavy Duty Non-Memory Non-Corrosive SpringMade in the USAFits: Double Stack Glock Pattern Firearms Chambered in 9mm LugerNot GLOCK Factory DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.