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Smith & Wesson J Frame Model 36 Hammer Block – .38 Special, Old Style – Part# 36120B

Smith & Wesson J Frame Model 36 Hammer Block – .38 Special, Old Style – Part# 36120B

$6.99

Smith & Wesson J Frame Model 36 – Hammer Block

This is a genuine used Smith & Wesson Hammer Block for the J Frame Model 36 revolver chambered in .38 Special. Old-style configuration. The hammer block is a safety component that prevents the hammer from contacting the firing pin unless the trigger is fully depressed.

Part Details

  • Part Number: 36120B
  • Part Type: Hammer Block
  • Condition: Used – Old Style
  • Frame Size: J Frame
  • Caliber: .38 Special

Model Compatibility

Model Frame Caliber Notes
Model 36 J Frame .38 Special Old Style – Confirmed Fit
Model 36 (other variants) J Frame .38 Special Verify old vs. new style before ordering
Model 37 / 38 J Frame .38 Special May fit – verify old style before ordering
Model 49 J Frame .38 Special May fit – verify before ordering

How to find your model number: Swing out the cylinder and check behind the yoke on the frame. Model numbers were introduced in 1957–58. If no model number is present, contact us with your serial number for assistance.

Note: This is a used factory part. The hammer block is a critical safety component — professional gunsmith installation is strongly recommended.

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