Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A

Smith & Wesson J Frame Model 37 Airweight Revolver Barrel 3" Blue Steel .38 Special Old Style Used OEM - J372A

$79.99
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Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
  • Smith & Wesson Smith & Wesson Revolver J Frame Model 37 Barrel 3" Blue Steel .38 Special Old Style Used J372A Part J372A
Smith & Wesson J Frame Model 37 Airweight Revolver Barrel 3" Blue Steel .38 Special Old Style Used OEM - J372A

Smith & Wesson J Frame Model 37 Airweight Revolver Barrel 3" Blue Steel .38 Special Old Style Used OEM - J372A

$79.99

This listing is for one (1) used Smith & Wesson J Frame Model 37 Airweight revolver barrel, 3", blue steel, .38 Special, old style. Excellent condition.

Barrels are a safety-critical component. Replace only with the correct barrel for your exact model, dash number, and caliber. Professional gunsmith installation required to verify proper fit, headspace, and timing.

Part Details

  • Part Number: J372A
  • Condition: Used (OEM) — excellent condition
  • Caliber: .38 Special
  • Length: 3"
  • Finish: Blue Steel
  • Style: Old Style
  • Frame: J Frame
  • Part Type: Barrel
  • Fits: See compatibility chart below

Model Compatibility

Model Caliber Barrel Frame Notes
Model 37 Airweight .38 Special 3" J Frame Old style; verify dash number before ordering

Barrels are caliber- and model-specific. Verify your model and dash number before ordering. Contact us if you are unsure of compatibility.

Installation Note

Barrel replacement on a revolver requires fitting and timing by a qualified gunsmith. Proper headspace, forcing cone alignment, cylinder gap, and timing must be verified after installation. This is not a drop-in part — gunsmith installation is required.

We stock OEM Smith & Wesson revolver and pistol parts — new, new old stock, and used. Questions? Email or call us for all your S&W needs.

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