Originally developed for the u.S.Military's next generation handgun competition, the hk45 tactical comes standard with a threaded barrel and three-dot tritium night sights.It is made at hk's american manufacturing facility in new hampshire using american and german components.The hk45 tactical uses a 10-round steel magazine and has a picatinny mil-std-1913 rail molded into its polymer frame for mounting lights and accessories.The hk45 tactical has a proprietary internal mechanical recoil reduction system that employs a flat recoil spring in tandem with a polymer bushing sleeve to reduce the recoil forces effecting the operator and the weapon, improving shooter control during rapid firing and prolonging component service life.An o-ring on the threaded barrel means better slide-to-barrel lockup and enhanced accuracy.Each hk45 ct comes standard with an extra back strap for a custom fit for each shooter's hand.This model is variant 7, a double action lem trigger without control lever (no manual safety/decocking lever).Frame Finish: BlackType: PistolAction: DAOCaliber: 45 ACPBarrel Length: 4.57"Capacity: 10+1Safety: No SafetyGrips: Black Interchangeable BackstrapSight Configuration: 3-Dot TritiumWeight: 29.1 ozFrame Material: PolymerBarrel Type: Polygonal RifledSlide Description: SerratedCase Type: HardSight Style: NightBarrel Length Range: 4.00" to 4.99"Weight Range: 16.00 oz to 31.99 oz