Install your P320/P250 firing control unit into this Grip Module Assembly to convert to a P320 or P250 compact chambered in 9mm, .357 SIG, .40AUTO with your selected grip size. Requires the 9mm, .357 SIG and .40AUTO slide and barrel.Specifications:Caliber: 9mm Luger, 40 S&W, 357 SIGGrip Size: MediumGrip Texture: StandardPistol Size Compact: XGrip Module Array: MediumManual Safety: NoMagazine Disconnect Compatible: NoColor: BlackGrip Material: Standard PolymerReversible Magazine Release: YesRemovable Grip Weight Compatible: NoInterchangeable Grip Panel: NoInterchangeable Backstrap: No