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

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

RUGER Magazine Follower Mark 1 2 3 4 MK I II III IV & 22/45 & LITE

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

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

RUGER Trigger Spring Plunger Mark 1 2 3 4 MK I II III IV MKIII 22/45 & LITE

Volquartsen STANDARD Recoil Spring VC3RSO-S Ruger Mark 1 2 3 4 22/45 LITE MK IV

Factory RUGER Mark I II III IV 4 Firing Pin fits Standard, 22/45, LITE, MK (59)