Smith & Wesson 657-4 Mountain Gun .41 Magnum 4" SA/DA Revolver MFD 1998

Smith & Wesson 657-4 Mountain Gun .41 Magnum 4″ SA/DA Revolver MFD 1998

More Sold Revolvers

SOLD FOR: $2,492.00

LSB#: LSB250515JB036

Make: Smith & Wesson

Model: 657-4 Mountain Gun

Serial Number: CCW7940

Year of Manufacture: 1998

Caliber: .41 Magnum

Action Type: Single / Double Action Revolver, Swing-Out Fluted Cylinder

Barrel Length: 4”

Sights / Optics: The front sight is a serrated ramped blade pinned to a rise in the barrel. The rear sight is a square notch in a fully adjustable leaf.

Stock Configuration & Condition: The grip is a 1 piece textured rubber grip with finger grooves. There is light handling wear present. The grip rates in Very Good condition. 

Type of Finish: Stainless Steel

Finish Originality: Original

Bore Condition: The bore is bright, the rifling is sharp. There is no visible erosion in the bore. In this writer’s opinion, the bore rates 10/10.

Overall Condition: This revolver retains about 95% of its metal finish. The balance of the finish shows light operational wear. The screw heads are sharp. The pins are clean. The markings are sharp. Overall, this revolver rates in about Very Good condition.

Mechanics: The action functions correctly. We did not fire this revolver. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.

Box, Paperwork & Accessories: None.

Our Assessment: The Smith & Wesson Model 657-4 Mountain Gun is a practical and highly desirable revolver for those who appreciate the balance of power and portability. Chambered in the potent .41 Magnum, it offers exceptional performance for backcountry defense and hunting applications.

This 657-4 variant features the classic Mountain Gun profile—a tapered 4” barrel and round-butt frame—which significantly reduces weight and makes it easier to carry over long treks. With its robust stainless steel construction, it resists corrosion and is built for rugged use in harsh environments.

For collectors and shooters alike, this revolver holds appeal due to its combination of powerful chambering, limited production run, and the legacy of the Mountain Gun series. Whether you’re hiking in bear country or just appreciate well-built revolvers, the 657-4 is a standout piece. Please see our high quality photos and good luck on your bid -M.C.

Smith & Wesson 657-4 Mountain Gun .41 Magnum 4" SA/DA Revolver MFD 1998
Smith & Wesson 657-4 Mountain Gun .41 Magnum 4″ SA/DA Revolver MFD 1998