The mag charger universal pistol loader works with both single-stack and double-stack magazines and works with most magazines.Features adjustable side shims to fit a magazine inside.It is compatible with 9mm, 357 sig, 40 s&w, & 45 cal ammo.*this product does not work with the bersa thunder.380 and the cz scorpion evo3 s1 9mm.Caliber: Multi-CaliberFinish: BlackModel: Mag ChargerMaterial: PolycarbonateType: LoaderCapacity: 0