RUGER Mark IV 4 Recoil Spring Assembly fits Standard 1 2 3 4 & 22/45 LITE OEM

Factory RUGER Rebound (Firing Pin) Spring MARK 1 2 3 4 IV & 22/45 & LITE

RUGER Mark IV Recoil Spring Assembly & Extractor Mk 1 2 3 4 22/45 LITE OEM

Factory RUGER Rebound firing pin Spring Support Mark 1 2 3 4 IV & 22/45 LITE

Volquartsen LIGHT Recoil Spring VC3RSO-R Ruger Mark 1 2 3 4 22/45 & LITE MK IV

Factory Ruger Firing Pin Spring, Rebound Support and Firing Pin Mark 1 2 3 4

Ruger Firing Pin Spring Rebound Support Firing Pin Extractor Mark 1 2 3 4

RUGER Take Off Firing Pin Stop Mark 1 2 3 4 MK I II III IV 22/45 LITE