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Smith & Wesson Model 637 Airweight .38 Special Stainless/Silver Revolver

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.

Smith & Wesson Model 637 Airweight .38 Special: quick facts

What caliber is the Smith & Wesson Model 637 Airweight .38 Special?
It is chambered in .38 Special.
How many rounds does it hold?
5 rounds; magazines included: 0.
How big and heavy is it?
Barrel length 1.88 inches, overall length 6.31 inches, weight 15 ounces.
What kind of action does it use?
Double Action.
Is it optic ready or threaded?
Optic ready: No; threaded barrel: No.
What sights and finish does it have?
Sights: Standard Sights; finish: Stainless/Silver.
Is it new or used?
New, in the original packaging.
Can I buy it in United States?
Yes. It ships to a licensed FFL dealer in United States; you pick it up there after the background check. Handguns ship to a licensed FFL dealer only, and the buyer must be at least 21 and pass a background check at pickup; some states add a permit or waiting period.
Is it in stock?
Yes, at $623.86. Orders leave within 1-2 business days; shipping is free over $999.

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