Maintaining The Ruger GP100

The design of this revolver makes it probably one of the strongest medium frame revolvers ever made.

by David W. Manney

In creating the GP100, Ruger took the very popular Security Six and added advancements from the Redhawk .44 Magnum to give this .357 Magnum line a locking crane both front and rear. This idea was later used in the small frame SP-101. The design of this frame allows for a wrap around grip to be used as there is no grip frame to limit the shape. A rectangular housing which is an extension of the frame holds the hammer strut and spring. Due to this design, the normal revolver sideplate has been eliminated, resulting in a stronger frame. Along with the beefier frame, the barrel has a heavy underlug. This revolver can withstand punishment of the heaviest loads commercially available.

The GP100 is chambered for the .357 Magnum, .38 Special and .327 Federal Magnum and is available in either blued finish or stainless steel with either a full or partial underlug. There are four available barrels lengths of 3, 4.2, 5 and 6 inches. Earlier models had rubber grips with Goncalo Alves (Tigerwood) insert panels. With the popularity of the Hogue grips, the GP100 now ships standard with them instead, however, Goncalo Alves panels are again available in special edition models.

“Three Modules” Disassembly

Ruger states the GP100 can be disassembled into three major modules with limited use of tools, allowing the user to easily clean gun after shooting. Always open the cylinder and check to make sure the revolver is unloaded. Safety glasses are highly recommended as you are dealing with springs under pressure.

Read more in our December 2013 issue. Back issues are available.

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