Firearms

Smith & Wesson Model 640 Centennial

Schematic

Open full size ↗

Specifications

About

Notable Variants

Aftermarket Ecosystem

Historically Significant Examples

Serial Number Data

Production data from factory records and collector research. Year ranges are approximate for pre-1968 firearms.

Years	Serial Range	Count	Factory	Country	Confidence

All-stainless fully hammerless J-Frame in .357 Magnum, the most powerful standard J-Frame offering.

Type: Revolver

Action: Double-Action

Caliber: .357 Mag

Capacity: 5

Year introduced: 1990, USA

Weight: 23 oz

Overall length: 6.6"

Status: Active

Intended use: Concealed Carry, Backup