Smith & Wesson L Frame Model 581 US Customs New Old Stock 4" Barrel .357 Magnum Part
Smith & Wesson L Frame Model 581 US Customs New Old Stock 4" Barrel — .357 Magnum
Part Number: L233 | Condition: New Old Stock (NOS) — Light Handling Marks
Factory original Smith & Wesson 4" barrel for the L-Frame Model 581, chambered in .357 Magnum. This barrel carries the US Customs designation, indicating original production for or issue to the United States Customs Service — a significant provenance detail for S&W collectors. The Model 581 is a fixed-sight L-Frame DA/SA revolver, discontinued after the 581-4 dash variant (1994). New Old Stock barrels for the 581 are increasingly difficult to source.
- Compatible Model: Smith & Wesson L Frame Model 581
- Caliber: .357 Magnum
- Barrel Length: 4"
- Provenance: US Customs Service contract / government issue
- Part Number: L233
- Condition: New Old Stock — light handling marks, never installed
- OEM Factory Part — manufactured to original S&W specifications
How to identify your S&W revolver model: Swing out the cylinder and check behind the yoke on the frame for the model number. Model numbers were introduced in 1957–58.
Professional installation recommended. Barrel fitting by a qualified gunsmith is required.
We ship to U.S. addresses only. No frames, receivers, assault weapon accessories, or magazines over 10 rounds.