The Ruger GP100 Compact is a double/single-action revolver chambered in .357 Magnum and .38 Special, with a 2.5-inch barrel and a steel frame weighing 36 ounces. It holds 6 rounds and ships with compact rubber grips that have a wood insert. 
 

Key Specifications 

• Model: Ruger GP100 
• Caliber: .357 Magnum / .38 Special 
• Barrel Length: 2.5 inches 
• Capacity: 6 rounds 
• Weight: 36 ounces 
• Action Type: Double/Single Action 
• Finish: Blue 
• Frame Material: Steel 
• Grips: Compact Rubber with Wood Insert 
• Sights: Adjustable Rear Sight & Fiber Optic Front 
• Safety Feature: Transfer Bar Safety 
   

Detailed Features 

The steel frame gives the GP100 its characteristic durability and contributes to the 36-oz weight, which absorbs .357 Magnum recoil better than lighter alternatives. The 2.5-inch barrel trades some velocity and sight radius for a more compact overall length, making it easier to conceal or carry. 
 
The double/single-action mechanism lets the shooter fire by simply pulling through the trigger (double-action) or cocking the hammer first for a lighter, shorter pull (single-action). The fiber optic front sight aids target acquisition in low light, while the adjustable rear sight allows zero to be dialed in for specific loads. 
 
The transfer bar safety means the hammer cannot contact the firing pin unless the trigger is fully pressed — a standard passive safety on modern revolvers that allows safe carry with all chambers loaded. 
 

Usage Scenarios 

At the range, the 36-oz steel frame manages .357 Magnum recoil to a degree that allows extended sessions without excessive fatigue. Owners running .38 Special practice loads find it particularly mild. The 2.5-inch barrel suits those who want a revolver compact enough for concealment while retaining the power of the .357 chambering. It also sees use as a backup or woods carry gun.

The Ruger GP100 Compact in .357 Magnum with the 2.5" barrel gets strong reviews from most owners.

Build quality is the first thing owners mention. The steel frame and Ruger's solid lockwork inspire confidence, and the gun develops a reputation for lasting through high round counts without issues. Many describe it as feeling noticeably more solid than comparable-sized revolvers.

Recoil management is a consistent talking point. The 36-oz weight soaks up .357 Magnum significantly, and most shooters find it comfortable even with full-power loads. Those who run .38 Special for practice report very mild recoil.

Accuracy with this platform draws consistent praise. The adjustable rear sight combined with the fiber optic front makes it easy to get a clean sight picture, and owners report confident hits at typical defensive and recreational distances.

Ergonomics split opinions. The compact grip works well for many, but a portion of larger-handed owners find it cramped and mention aftermarket grips as an improvement. That's a common complaint with the short-barrel variant specifically.

The .357/.38 Special dual compatibility is appreciated for cost-effective practice. Owners can run .38 Special for volume training and reserve .357 Magnum loads for defense or hunting.

Cleaning and maintenance get positive mentions. The GP100's lockwork is accessible and easy to keep running, which contributes to its appeal as a low-maintenance carry or home defense option.

Weight is occasionally noted as a downside for all-day carry, which is a straightforward tradeoff with the steel construction.