Selected Handgun Detail

Smith & Wesson
Model 637
Smith & Wesson Revolver 637 .38 Spl +P Variant-2
Scale To:
Gun Dimensions Width:No Data
Length:6.313-in Height:No Data
Barrel:1.875-in Weight:15-oz
Variant 2 of 2
Gun Rankings
  • Power Factor (125 grain bullet)106625
  • Recoil Factor (125 grain bullet)6.45 ft-lb
  • Total Capacity5 rounds
  • ConcealabilityGood
  • Defense Factor50%
Gun Specifications
Type:Revolver
Caliber:.38 Spl +P
Action:revolving chamber
Trigger:double-action (DA/SA)
Safety:
Cylinder:5-round
Frame:lightweight alloy
Grip:Crimson Trace Lasergrips
Sights:fixed blade front, fixed notch rear
Notes:
Manufacturer
Smith & Wesson
More Info
About the Gun

Successor to the Model 37 revolver, this Airweight series model has an alloy 'J'-frame and stainless steel finish.

Production

Production of this specific model with laser grips and lightweight design began in the early 2000s. It has been manufactured intermittently since then, with availability depending on market demand and production runs through the present day.

Market value
Last updated: 7/10/2025

For this gun, the MSRP is approximately $769 as of 2024-2025 data. The used market value in 95% condition is estimated at $550-$650, based on recent sales and pricing trends.

Cartridge Specifications
Cartridge: .38 Special +P
Alias: .38 Smith & Wesson Special +P
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Ballistics for This Gun
Selected Bullet Mass:125 grains
MV:853 ft/sec ME:202 ft-lbs
Analysis

This lightweight revolver in .38 Special +P caliber offers a compact design ideal for concealed carry or backup use. Its accuracy is commendable for short-range engagements, delivering consistent performance within typical defensive distances. The ergonomics are well-suited for smaller hands, with a grip that facilitates a secure hold, though larger-handed shooters may find it less comfortable over extended sessions. Reliability is a key asset, as it functions smoothly with minimal malfunctions when properly maintained. However, maintenance can be somewhat demanding due to the intricacies of the internal mechanism, requiring regular attention to ensure longevity. Parts availability may pose challenges for some users, as certain components are not as widely stocked. The trigger pull is crisp but on the heavier side, which might affect precision for newer shooters. Felt recoil is noticeable with +P loads, potentially impacting follow-up shots for those unaccustomed to the kick.

User Rating
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1 User Comments
User Comments

0 of 5 Stars
S&W 637
By john709 on 07 Nov 2020
They are a Very Good CC. Have carried a J Frame for years. They are Revolver Reliable.