RUGER New Model Single Six Revolver, Base Pin Latch Nut- Blue , RU-428

STURM RUGER SINGLE SIX REVOLVER CYLINDER BASE PIN

Stainless New Model Ruger Single Six & Blackhawk Cylinder Base Pin Latch SBH SS

RUGER New Model Single Six Revolver, Base Pin Latch Spring, RU-425

RUGER New Model Single Six Revolver, Base Pin Latch Nut- Stainless , RU-429

1~ OLD Model RUGER Single Six Blackhawk Cylinder Base Pin Latch SBH 3 Screw Blue

RUGER New Model Single Six Revolver, Base Pin Latch- Stainless , RU-426

Ruger Single Action Revolver Base Pin Latch Nut, Blue, New Factory Original