The Smith & Wesson Model 637 Airweight is a compact J-Frame revolver designed for discreet carry and personal defense. Chambered in .38 Special, it holds five rounds and combines a lightweight aluminum alloy frame with stainless steel components for a practical balance of portability and durability. The exposed hammer supports both single-action and double-action operation, while fixed standard sights provide a straightforward aiming system. Its polymer grip helps maintain a compact, manageable profile for everyday carry.
Key features
Lightweight Airweight frame keeps the revolver easy to carry
Five-shot .38 Special chambering is suited to personal-defense use
Exposed hammer allows single-action or double-action operation
Compact 1.875-inch barrel supports discreet carry
Fixed standard sights provide a simple, reliable sighting system
Polymer grip offers a practical, low-maintenance contact surface
The Smith & Wesson Model 637 Airweight delivers compact J-Frame carry in a proven five-shot revolver configuration.
Sights: Standard Sights; finish: Stainless/Silver.
Is it new or used?
New, in the original packaging.
Can I buy it in Connecticut?
Yes. It ships to a licensed FFL dealer in Connecticut; you pick it up there after the background check. Connecticut buyers need a pistol permit or Handgun Eligibility Certificate, and the Connecticut dealer will only transfer this model if it and its magazines (10 rounds or fewer) are legal in Connecticut.
Is it in stock?
Yes, at $623.86. Orders leave within 1-2 business days; shipping is free over $999.