Smith & Wesson J Frame Model 640-3 Hammer & Trigger .357 Magnum MIM Used 8-shot The Partridge sight features a

The Partridge sight features a square

Condition Notes:

Non-recessed cylinder

Ensures proper timing and cylinder lockup

This Listing Includes: Mainspring

Smith & Wesson J Frame Model 640-3 Hammer & Trigger .357 Magnum MIM Used 8-shot The Partridge sight features aSmith & Wesson J Frame Model 640 3 Hammer & Trigger . 357 Magnum MIM Used (Part# J64031) This listing is for one used Smith & Wesson J Frame Model 640 3 hammer and trigger assembly chambered for . 357 Magnum. These are MIM (Metal Injection Molded) OEM factory parts in used condition, removed from a functioning firearm. The Model 640 Centennial features a concealed internal hammer for snag free carry. Compatibility note: This assembly is specifically