Smith & Wesson K Frame Model 17 Hammer Block .22 Long Rifle Old Style - 17120A
Smith & Wesson K Frame Model 17 Hammer Block - Old Style
- Condition: Used OEM part
- Compatibility: K Frame Model 17 revolvers
- Caliber: .22 Long Rifle
- Style: Old style
- Part Number: 17120A
Genuine Smith & Wesson hammer block for K Frame Model 17 revolvers chambered in .22 Long Rifle. This is an old style used part that shows honest wear consistent with age. The hammer block is a critical safety component that prevents the hammer from striking the firing pin unless the trigger is pulled.
Installation Note: Professional installation and fitting by a qualified gunsmith is required. Requires disassembly and assembly of the revolver.
Need Help Finding the Right Part?
Questions about compatibility or installation? Contact USA Guns And Gear for expert assistance with all your Smith & Wesson parts needs.
How to Find Your Model Number:
Swing out the cylinder and check behind the yoke on the frame for the model number. Model numbers began in 1957-58. If there's no model number, your revolver may be older. Contact us with your serial number and we can help identify the correct parts.