SHIELD ARMS S15 GLK 43X/48 W/+5 EXTThe Shield Arms S15 Magazine with +5 Extension takes your Glock 43X or Glock 48 to new heights of firepower by increasing its capacity to an incredible total of 20 rounds. This package includes an S15 Gen3 magazine paired with a pre installed +5 extension crafted from anodized aluminum for durability and style. The extension features an easy access floor plate design that allows quick cleaning without disassembly, while its textured surface improves