Specific to this CZ Custom SP-01 415006506

It will work with the \"race hammer\" that was installed. If you get light strikes with the Kadet Kit replace the 13 pound hammer spring with a 15.

according to CZ it will work on all SP-01s except the SP01 Phantom "The Kadet conversion kit will work on the CZ 75 full-size and compact models including the 75, 85, SP-01, 75 Compact, P-01, P-06, and PCR, but note that the full-size magazines will exten