S&W 637 Airweight 5-Rd Revolver .38 Special w/ Lasergrip

The Smith & Wesson Model 637 Airweight is a compact J-frame revolver built for discreet carry and dependable operation. Chambered in .38 Special with a five-shot cylinder, it pairs a lightweight aluminum alloy frame with stainless steel cylinder and barrel. The model ships with a Crimson Trace wraparound Lasergrip for rapid sighting in low-light conditions. Fixed rear and integral front sights support straightforward pointing for close-range defensive use or backup carry.

Key Specifications

• The caliber is .38 Special.
• The capacity is 5 rounds.
• The frame designation is the J-Frame.
• The frame material is aluminum alloy.
• The cylinder finish is stainless steel.
• The barrel finish is stainless.
• The weight is approximately 15.3 oz.
• The overall length is listed as 6.30 inches in product sources.
• The sights are integral front and fixed rear.
• The grips include a Crimson Trace Lasergrip for an integrated laser aiming aid.

Compact, light, and straightforward, the Model 637 Airweight is aimed at users who prioritize low carry weight and simple, reliable operation. Its combination of alloy frame, stainless components, simple fixed sights and an integrated Crimson Trace Lasergrip makes it suitable for everyday concealed carry or as a backup option where ease of carry and rapid target acquisition matter. Built on Smith & Wesson’s long-running J-frame platform, it delivers a familiar manual of operations and handling for shooters who prefer a small-frame revolver with modern sighting assistance.