MagPump Magazine Retainer 9mm Double Stack Magazines SIG Black MR-SIG

MagPump Magazine Retainer 9mm Double Stack Magazines SIG Black MR-SIG. These Speed Loaders by MagPump are specifically designed to work with double-stack magazines so that you can quickly and efficiently insert ammunition with the MagPump SIG Sauer 9mm DMR Insert Loader - LUGER. These Speed Loaders are some of the most flexible and adaptable on the market letting you fit them to pretty much any pistol mag on the market. The MagPump SIG 9mm Luger Retainer is an excellent device that saves you ton