Firearms

Smith & Wesson Model 637 Airweight

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

Aluminum-frame J-frame with exposed hammer. DA/SA for versatile carry with option of cocked single-action.

Type: Revolver

Action: Revolver

Caliber: 38 Special +P

Capacity: 5

Year introduced: 1990, USA

Weight: 15 oz

Overall length: 6.31"

Status: Active

Intended use: concealed carry