S&W 163052 Model 637 | .38 Special | 1.875″ 5-Round

The Smith & Wesson Model 637 (MFG 163052) is a small‑frame J‑Frame revolver built for discreet carry and dependable operation. Chambered in .38 Special with a five‑round cylinder, this Airweight combines an aluminum alloy frame with stainless barrel and cylinder to reduce weight while maintaining serviceable durability. It ships with a Crimson Trace® Lasergrip for faster sighting in low‑light encounter preparation and features integral front and fixed rear sights for simple, snag‑free carry.

Product Specifications

• The manufacturer is Smith & Wesson.
• The model is 637 (MFG 163052).
• The caliber is .38 Special and the platform is +P rated.
• The cylinder capacity is 5 rounds.
• The barrel measures 1.875 inches for compact carry.
• The overall length is 6.30 inches.
• The unloaded weight is 15.3 ounces.
• The frame material is aluminum alloy with a matte silver finish.
• The cylinder and barrel finish are stainless.
• The grips are Crimson Trace Lasergrip (rubber) included.
• The action is Double / Single Action with an exposed hammer.
• The sights are integral front and fixed rear.
• Included is 1 x 5‑Round fixed magazine (cylinder).
• The UPC is 022188630527.

This Model 637 pairs a lightweight Airweight frame with simple, proven revolver controls and an integrated laser sighting option to suit everyday concealed‑carry and backup use. Its compact footprint and straightforward fixed sights keep holster and draw considerations minimal while the stainless components resist corrosion in regular carry conditions.

Owners commonly praise the Model 637 for its reliable operation and compact size; many note the Crimson Trace Lasergrip improves target acquisition in low‑light conditions.