Selected Handgun Detail

Ruger
Model GP-100
Ruger Revolver GP-100 .357 Mag Variant-4
Scale To:
Gun Dimensions Width:No Data
Length:9.5-in Height:No Data
Barrel:4-in Weight:41-oz
Variant 4 of 24
Gun Rankings
  • Power Factor (158 grain bullet)195130
  • Recoil Factor (158 grain bullet)8.54 ft-lb
  • Total Capacity6 rounds
  • ConcealabilityPoor
  • Defense Factor65%
Gun Specifications
Type:Revolver
Caliber:.357 Mag
Action:revolving chamber
Trigger:double-action (DA/SA)
Safety:trigger activated transfer bar
Cylinder:6-round
Frame:stainless steel
Grip:Hogue Monogrip
Sights:fixed blade front, adjustable rear
Notes:
Manufacturer
Sturm, Ruger & Co., Inc.
More Info
About the Gun

The GP100 is a medium-size frame double-action revolver with a strengthened design intended for constant use with all .357 Mag. ammunition. Available in calibers from .22LR to .44 Spl. The original standard for grips was was a square-butt rubber monogrip with rosewood inserts. This has now become an option and the new standard is a Hogue textured rubber monogrip with finger grooves. All GP100 revolvers feature a strong triple-locking cylinder, and are available in both blued and stainless steel models, and in both square and round-butt variations.

Production

Production of this specific firearm configuration began in 1985, with ongoing manufacturing through various periods up to the present day, subject to periodic updates and availability based on market demand and factory schedules.

Market value
Last updated: 7/10/2025

For this gun, the MSRP is approximately $1,000 based on 2024-2025 data. Used market value in 95% condition ranges from $650 to $750, reflecting current trends in online listings and value guides.

Cartridge Specifications
Cartridge: .357 Magnum
Alias: .357 Smith & Wesson Magnum
More Info
Ballistics for This Gun
Selected Bullet Mass:158 grains
MV:1235 ft/sec ME:535 ft-lbs
Analysis

This .357 Magnum revolver exemplifies robust construction and dependable performance for both casual shooters and seasoned enthusiasts. Its accuracy is commendable, delivering consistent groupings at moderate ranges due to a well-balanced design and quality barrel. The ergonomics are thoughtfully executed, with a grip that accommodates various hand sizes, promoting comfort during extended sessions. Reliability is a key asset, as it functions flawlessly under diverse conditions with minimal malfunctions. However, maintenance can be somewhat demanding, requiring regular attention to ensure longevity, and parts availability may pose challenges for some users. The trigger pull is smooth in double-action mode, though it may feel heavy for beginners, while single-action offers a crisp break. Felt recoil is noticeable with full-power loads, potentially affecting newer shooters, but it remains manageable with proper technique. Overall, it’s a solid choice for those seeking a versatile magnum revolver.

User Rating
1 User Ratings
1 User Comments
User Comments

4 of 5 Stars
By pprime on 09 Sep 2020
This is the only revolver I own, but it is a beast. It's heavy, but recoil is low because of the weight. Very smooth and reliable.