Selected Handgun Detail

Ruger
Model GP-100
Ruger Revolver GP-100 .327 Federal Mag Variant-1
Scale To:
Gun Dimensions Width:No Data
Length:9.5-in Height:No Data
Barrel:4.2-in Weight:40-oz
Variant 1 of 2
Gun Rankings
  • Power Factor (100 grain bullet)151300
  • Recoil Factor (100 grain bullet)5.35 ft-lb
  • Total Capacity7 rounds
  • ConcealabilityPoor
  • Defense Factor58%
Gun Specifications
Type:Revolver
Caliber:.327 Federal Mag
Action:revolving chamber
Trigger:double-action (DA/SA)
Safety:trigger actuated transfer bar
Cylinder:7-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 2016, featuring the .327 Federal Magnum chambering. It continues to be manufactured as part of the lineup, with availability through Ruger’s current catalog as of the latest updates.

Market value
Last updated: 7/10/2025

For this gun, the MSRP is approximately $919. The used market value in 95% condition is around $650-$750, based on 2024-2025 transaction data from relevant firearm valuation platforms.

Cartridge Specifications
Cartridge: .327 Federal Magnum
Alias: N/A
More Info
Ballistics for This Gun
Selected Bullet Mass:100 grains
MV:1513 ft/sec ME:508 ft-lbs
Analysis

This double-action revolver in .327 Federal Magnum offers a compelling blend of performance and versatility for shooters seeking a balance between power and control. Its accuracy is commendable, with consistent groupings at moderate ranges, thanks to a well-aligned barrel and sight system. The ergonomics are thoughtfully designed, featuring a grip that accommodates various hand sizes, enhancing comfort during extended sessions. Reliability is a strong suit, with a robust build that handles the cartridge’s pressure without issue. However, maintenance can be somewhat demanding, as disassembly and cleaning require attention to detail. Parts availability may pose challenges for some users, potentially limiting customization or repairs. The trigger pull is smooth in double-action mode, though it feels a bit heavy for some preferences. Felt recoil is noticeable but manageable, given the chambering, making it suitable for experienced shooters while possibly less ideal for novices.

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