Smith & Wesson Model 34 4-Inch Pinned Barrel .22 LR - 3421C
Smith & Wesson Model 34 J Frame 4-Inch Pinned Barrel
Used factory Smith & Wesson blue-steel barrel for an older-style Model 34 J-frame revolver chambered in .22 LR. This is the 4-inch pinned-barrel configuration.
Verify fitment before ordering. Smith & Wesson made engineering changes across production periods. Confirm that your Model 34 uses a pinned 4-inch barrel and compare the pictured barrel, pinning arrangement, profile, and markings with your original part.
Compatibility
| Manufacturer | Model | Frame | Caliber | Barrel configuration |
|---|---|---|---|---|
| Smith & Wesson | Model 34 | J Frame | .22 LR | 4-inch, pinned, old style |
Product details
- Store reference: 3421C
- Part type: Revolver barrel
- Length: 4 inches
- Attachment: Pinned-barrel configuration
- Finish: Blue steel
- Condition: Used, with wear consistent with prior service
- Manufacturer: Smith & Wesson
Installation and safety
Barrel replacement requires specialized tools, correct alignment, fitting, and verification of barrel-to-cylinder gap, timing, and safe function. Installation and inspection by a qualified gunsmith are strongly recommended. This listing is for the barrel only; no frame, receiver, cylinder, or complete firearm is included.