S&W Pistol Model 422 Hammer Pin .22 LR – Part# 422R
Smith & Wesson Pistol Model 422 Hammer Pin – .22 Long Rifle
Replace a worn or missing hammer pin on your Model 422 with this factory-original component. The hammer pin is the pivot axis on which the hammer rotates during the firing cycle — a loose, worn, or missing pin causes the hammer to wobble or fail to pivot correctly, resulting in light strikes, misfires, or complete failure to fire. This used OEM part is a direct factory replacement for the Model 422 chambered in .22 Long Rifle.
- Part Number: 422R
- Fits: Smith & Wesson Pistol Model 422
- Caliber: .22 Long Rifle (rimfire)
- Part Type: Hammer Pin
- Condition: Used (factory original)
- Installation: Gunsmith fitting recommended
Factory Replacement Quality
Genuine Smith & Wesson factory part manufactured to the exact specifications and tolerances of the original — same diameter, same length, same precise hammer pivot geometry. No aftermarket substitutes.
About the Model 422
The S&W Model 422 is a 1st Generation semi-automatic .22 LR pistol with an alloy frame, known for its lightweight design and reliable rimfire performance. If you're unsure whether this part fits your specific variant, contact us with your model number and serial number and we'll confirm compatibility.
Questions? Call or email us — we're happy to help you get the right part the first time.