The sp01 has cajun short reset kit 13lb recoil spring,13lb hammer spring  and stainless guide rod. It has been optic cut and adorned with a holosun Eps gold dot and a surefire x300 ultra. Magwell flare and upgraded Vytal grips and mag release. 2 custom kydex holster to fit optic and light. 3 mags This firearme is a dream. Price is firm. Low round count.