Calibers: 9mm, .380 ACP. The all-new Stinger has the same quality as Bond Arms' regular models but has half the weight and a slimmer profile. Features: Stainless steel matte barrel, 7075 anodized aluminum frame. Total weight: 12 oz. Rebounding hammer, retracting firing pins, cross-bolt safety. Comes with standard rubber grips and a slimmer set of polymer grips.