This is a Ruger Double Action known as the GP100 chambered in 357 Magnum, model 1772.
Triple-locking cylinder is locked into the frame at the front" rear and bottom for more positive alignment and dependable operation shot after shot. Grip frame design easily accommodates a wide variety of custom grips. Disassembly of integrated subassemblies requires no special tools and allows for easy maintenance and assembly. Transfer bar mechanism provides an unparalleled measure of security against accidental discharge.
Features:
Grips: Cushioned Rubber with Hardwood Insert
Front Sight: Fiber Optic
Barrel Length: 4.20";Material: Alloy Steel;Capacity: 7;Rear Sight: Adjustable;Twist: 1:18.75 RH
Finish: Blued
Overall Length: 9.50";Weight: 40����oz.;Grooves: 5