Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000

Smith & Wesson J Frame Model 37 Airweight Hammer Block Old Style .38 Special Used

$22.99
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Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
  • Smith & Wesson J3710A Smith & Wesson J Frame Model 37 .38 SPL Hammer Block Airweight Used Part 000000000
Smith & Wesson J Frame Model 37 Airweight Hammer Block Old Style .38 Special Used

Smith & Wesson J Frame Model 37 Airweight Hammer Block Old Style .38 Special Used

$22.99

Smith & Wesson J Frame Model 37 Airweight Hammer Block Old Style .38 Special — Used (Part# J3710A)

This listing is for one used Smith & Wesson J Frame Model 37 Airweight hammer block in the old style configuration. This is an OEM factory part in used condition, removed from a functioning firearm. The hammer block is a passive safety component that prevents the firing pin from contacting the primer unless the trigger is fully depressed.

⚠️ Note: This is the old style hammer block. Verify your Model 37 variant before ordering, as old and new style hammer blocks are not interchangeable.

⚠️ Professional installation recommended. Disassembly and reassembly of the firearm is required to replace this part. We recommend having a qualified gunsmith perform this work.

Compatibility

Model Frame Caliber Style Notes
Model 37 Airweight J Frame .38 Special Old Style Confirmed fit

Verify fitment with your serial number before ordering. Contact us if unsure.

Part Details

  • Brand: Smith & Wesson
  • Part Number: J3710A
  • Part Type: Hammer Block
  • Style: Old Style
  • Frame Size: J Frame
  • Caliber: .38 Special
  • Condition: Used (OEM)

Questions? Call or email us — we're happy to help confirm compatibility for your specific revolver.

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