The Ruger GP100 .357 Magnum Double Action Revolver (Model 1702) is a full-size revolver well-regarded for its durability and dependable operation. The blued steel frame and 4.20-inch barrel make it a practical choice for personal protection and sport shooting. 
 
Key Specifications 

• SKU: 178740100 
• UPC: 736676017027 
• Brand: Ruger 
• Model Name: GP100 
• MPN: 1702 
• Caliber: .357 Magnum 
• Class: Full-size 
• Action: Single Action / Double Action 
• Capacity: 6 rounds 
• Barrel Length: 4.20 inches 
• Overall Length: 9.50 inches 
• Weight: 40 oz. 
• Sights: 
• Front: Fixed Ramp Sight 
• Rear: Adjustable Sight 
• Grip Material: Hogue Monogrip (Black Rubber) 
• Trigger Type: Standard Trigger 
• Safety Feature: Transfer Bar safety mechanism 
• Finish Type: Blued 
   
  Detailed Features 
  The GP100 uses a triple-locking cylinder that fastens at three points (front, rear, and bottom) to maintain shot alignment and reduce wear on internal components over time. 
   
  The alloy steel construction gives the frame real strength without making it unnecessarily heavy. Shooting sessions with the Hogue Monogrip stay comfortable, and the grip absorbs recoil even when running full-power .357 Magnum loads. The design disassembles without special tools, which makes cleaning straightforward. 
   
  The transfer bar safety prevents the hammer from contacting the firing pin unless the trigger is pulled through its full travel, guarding against accidental discharge if the gun is dropped. 
   
  Target Audience 
  The GP100 handles new shooters building confidence alongside experienced marksmen who need a revolver that won't quit under pressure. Its weight is manageable enough for extended range sessions and hunting excursions. 
   
  Usage Scenarios 

1. Personal security where stopping power matters. 
2. Sport shooting where the durable design holds up to high round counts. 

The Ruger GP100 .357 Magnum Blued Revolver draws consistent admiration alongside some practical concerns from shooters.

Many users praise the build quality and describe it as a revolver that will outlast them. The double-action mechanism is frequently called smooth and easy to use. Accuracy with quality ammunition gets mentioned regularly, and the weight of the gun actually helps dampen recoil during longer sessions.

Ergonomics come up often in a positive way. The grip fits well in most hands and gives good control. Some owners also note they've swapped grips or adjusted sights to suit personal preference, which the GP100's design accommodates readily.

Size and weight are the main criticisms. Some find it too heavy for concealed carry, where lighter options exist. A small number of users want a lighter trigger pull for double-action rapid fire. The general consensus holds that the GP100 earns its price for target practice, home defense, and hunting, even if it isn't the right tool for every carry situation.