The Ruger GP100 is a revolver that was first introduced in 1985. It showcased some of the most durable medium-framed double action revolvers in existence. They are very reliable even with its ruggedness. And they can use less-expensive ammunition, which is the .38 special ammunition.

They come in different finishes but all have the same features:- patented frame extension, housing mainspring seat and trigger guard latch- sidewalls are solid, integral sections of the frame- frame widths are increased in critical areas that support the barrel- triple-locking cylinder is locked into the frame at the front, rear and bottom for positive alignment- grip frame easily accommodates custom grips