The Ruger GP100 in .357 Magnum (brand part no. 1768) is a double-action/single-action revolver built around a 5-inch half-lug barrel finished in blue, giving shooters a balanced, front-heavy platform for controlled recoil management. Ruger pairs a gold bead front sight with an adjustable rear sight and machines a 1-in-18.75-inch twist barrel, feeding the revolver from a 6-round cylinder. Among half-lug double-actions in the revolvers category, the GP100 favors shooters who want a durable, well-balanced .357 Magnum wheelgun for range and defensive use.

Key Specifications

• Chambered in .357 Magnum.
• The cylinder carries 6 rounds before a reload.
• Features a 5-inch blued half-lug barrel.
• The rifling twist rate is 1-in-18.75-inch.
• Sights are a gold bead front and adjustable rear.
• The action is double-action/single-action.
• Shipping weight of approximately 4.35 pounds.
• The barrel measures 5 inches.
• Overall length measures 13 inches.

Frequently Asked Questions

What is a half-lug barrel? A barrel shroud that covers the ejector rod partway, adding forward weight for recoil control.

Is the rear sight adjustable? Yes, the rear sight adjusts for windage and elevation.

Buy the Ruger GP100 Revolver, Half-Lug

A well-balanced, blued .357 Magnum wheelgun is exactly what the GP100 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.