With this complete set of super thums when it's time for going to practice pistols shooting you are all set.This st5 model is compatible with the following double stack mags: browning bda beretta 84 bersa thunder plus glock 42.Caliber: 380 ACPCapacity: Mag LoaderFinish: BlackModel: Super ThumbMaterial: PolymerType: Loader/UnloaderModel Fit: Most Double Stack 380sCapacity: 0