Double action/single action. No external safety. Ambidextrous slide lever and magazine release. Rear decocking button. Interchangeable backstraps and lateral plates. Fixed sights. Two magazines.Barrel Length : 4.45Hand Gun Web Model : P30Tactica : TacticalCapacity : 10Finish : BlackBarrel Length Range : 4″<5"Item Description : HKI P30LS 40SW V3 4.45 D/S 10 SKU: 642230247482 UPC: BRAND: HK- Heckler and Koch Manufacturer Number: 734003LS-A5 Caliber: 40 Smith and Wesson Model: HK P30L Unit of Measure: Each Classification: Firearm