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Smith & Wesson J774  J Frame Model 342  Concealed Hammer Part 000000000

Smith & Wesson J Frame Model 342 AirLite Concealed Hammer - Used

$49.99

This listing is for a used Smith & Wesson J Frame Model 342 AirLite concealed (shrouded) hammer. Factory OEM part sold as-is.

The Model 342 AirLite is S&W's ultra-lightweight Centennial-style J Frame, featuring a fully concealed hammer that makes it snag-free for pocket and concealed carry. This used factory concealed hammer is the correct OEM replacement for gunsmiths servicing the 342's action — maintaining the smooth, double-action-only profile that defines the Centennial design.

Part Details

  • Part Number: J774
  • Condition: Used
  • Part: Concealed / Shrouded Hammer
  • Fits: Smith & Wesson J Frame Model 342 AirLite
  • Caliber: .38 Special / .38 Special+P
  • Frame: J Frame (Aluminum / AirLite)
  • Style: Centennial (hammerless / shrouded hammer, DAO)
  • OEM: Smith & Wesson Factory Part

Model Compatibility

Model Frame Caliber Hammer Style Compatible
Model 342 AirLite J Frame (Aluminum) .38 Special+P Concealed ✅ Yes
Model 342PD AirLite J Frame (Scandium) .38 Special+P Concealed ⚠️ Verify fitment
Model 442 J Frame (Aluminum) .38 Special+P Concealed ⚠️ Verify fitment — similar Centennial
Model 642 J Frame (Aluminum) .38 Special+P Concealed ⚠️ Verify fitment — similar Centennial
Model 340 AirLite J Frame (Scandium) .357 Mag Concealed ❌ No — different frame/caliber
Model 36 / 60 / 37 J Frame (Steel) .38 Spl / .357 Mag Exposed ❌ No — exposed hammer models differ

Important: Concealed hammers are specific to Centennial-style (DAO) J Frame models and are NOT interchangeable with exposed-hammer J Frame models (e.g., Model 36, 60, 37). AirLite aluminum-frame hammers may also differ from steel-frame Centennial hammers. Always confirm your exact model and dash number before ordering. To find your model number, swing out the cylinder and check behind the yoke on the frame.

Installation

Disassembly and reassembly by a qualified gunsmith is required. Some parts may require fitting. Factory replacement parts are manufactured to the same specifications, tolerances, and materials as the originals.

Questions? Shoot us an email or give us a call — we're here for all your S&W needs.

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