Selected Handgun Detail

Smith & Wesson
Model 637
Smith & Wesson Revolver 637 .38 Spl +P Variant-1
Scale To:
Gun Dimensions Width:No Data
Length:6.313-in Height:No Data
Barrel:1.875-in Weight:15-oz
Variant 1 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:no manual safety
Cylinder:5-round
Frame:aluminum alloy
Grip:Uncle Mike's boot
Sights:serrated ramp front, fixed notch rear
Notes:stainless steel barrel
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 firearm began in 1996 as part of a lightweight revolver series. It remains in production today, with various updates over the years, maintaining its popularity for concealed carry and personal defense.

Market value
Last updated: 7/9/2025

The MSRP for this gun when new is approximately $520. For a used one in 95% condition, the market value is around $400-$450, based on current 2024-2025 pricing data from trusted firearm sources.

Cartridge Specifications
Cartridge: .38 Special +P
Alias: .38 Smith & Wesson Special +P
More Info
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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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.