S&W J Frame Pre Model 37 (Airweight) Cylinder Stop & Spring .38 Special - P37V3 Locking Bolt The thumbpiece (cylinder release latch)

The thumbpiece (cylinder release latch) is the lever you press to swing out the cylinder — a high-wear contact point that's commonly needed for restoration or repair

Spring Details

Professional gunsmith installation required for proper fitting and headspacing

Factory OEM Cylinder Assembly for S&W K Frame Revolvers

contact us with your serial number and we can verify fitment

S&W J Frame Pre Model 37 (Airweight) Cylinder Stop & Spring .38 Special - P37V3 Locking Bolt The thumbpiece (cylinder release latch)Smith & Wesson J Frame Pre Model 37 (Airweight) Cylinder Stop & Spring Genuine used Smith & Wesson factory part. Blue steel cylinder stop and spring for the Pre Model 37 Airweight J Frame revolver chambered in . 38 Special. Old style configuration. Ideal for restoration, repair, or replacement of worn or broken components. Part Details Part Number: P37V3 Part Name: Cylinder Stop & Spring Material: Blue Steel Condition: Used Original Factory Part