This parts kit was a kit we designed when we were a Ljutic Dealer. Necessity Kit contains: Ejector spring, hammer spring, inertia lock spring (opening button), trigger push up spring and smallest is for release hook lift spring. 3 pins, front bead, cocking rod retainer pin and firing pin retainer screw. This kit is $135.00 incl s/h to lower 48 states. Shoot well!