Smith & Wesson J Frame Model 51 Revolver Firing Pin Bushing Spring .22 WMR Old Style Used OEM - 51106
This listing is for one (1) used Smith & Wesson J Frame Model 51 revolver firing pin, bushing, and spring assembly, .22 WMR, old style.
Part Details
- Part Number: 51106
- Condition: Used (OEM) — surplus
- Caliber: .22 WMR (.22 Magnum) — Rimfire
- Style: Old Style
- Frame: J Frame
- Includes: Firing pin, bushing, and spring
- Part Type: Firing Pin Assembly
- Function: Strikes the rim of the .22 WMR cartridge to initiate ignition; a worn or damaged firing pin causes misfires and failure to fire
- Fits: See compatibility chart below
⚠️ Rimfire-Specific: This firing pin is designed specifically for the Model 51 (.22 WMR rimfire). It is NOT interchangeable with centerfire J Frame firing pins. Verify your model before ordering.
Model Compatibility
| Model | Caliber | Frame | Style | Notes |
|---|---|---|---|---|
| Model 51 | .22 WMR (.22 Magnum) | J Frame | Old Style | Rimfire only — NOT compatible with centerfire J Frame models |
Verify your model and dash number before ordering. Contact us if you are unsure of compatibility.
Installation Note
Firing pin replacement requires action disassembly by a qualified gunsmith. Proper firing pin protrusion, primer strike, and reliable ignition must be verified after installation. Factory replacement parts are manufactured to original S&W specifications and tolerances.
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.