Smith & Wesson is reinventing micro-metal pistols! The new hammer fired all metal micro-compact pistol chambered in 9MM has a 3.1in barrel, is .95'' wide, has a flat face trigger with integrated safety, metal white dot sights, glare reducing slide serrations, ambidextrous manual thumb safety, enhanced grip texture withtwo interchangeable backstraps and has a 10rd and 12rd magazine capacity! Aluminum alloy frame Glare reducing slide serrations Interchangeable, textured backstraps including small and extra small sizes for better concealability Textured front strap Ambidextrous manual thumb safety Ambidextrous, elongated slide stop Two magazine release buttons included for left and right hand shooters Chamfered ejection port to help ensure no snags when drawing from holster Slide includes EZ-tab integration for simpler racking Optimal 18-degree grip angle for natural point of aim Flat faced trigger with integrated safety for a consistent finger placement Single action for a light, crisp trigger pull for accurate shot placement 1 in 10'' twist rate Armornite durable corrosion resistant finish