The RMR was a

double-action revolver A revolver is a repeating handgun with at least one barrel and a revolving cylinder containing multiple chambers (each holding a single cartridge) for firing. Because most revolver models hold six cartridges before needing to be reloaded, r ...

chambered for

.357 Magnum The .357 Smith & Wesson Magnum, .357 S&W Magnum, .357 Magnum, or 9×33mmR (as it is known in unofficial metric designation) is a smokeless powder cartridge with a bullet diameter. It was created by Elmer Keith, Phillip B. Sharpe, and Douglas B. ...

cartridges chosen by the

French National Police The National Police (, ), formerly known as the , is one of two national police forces of France, the other being the National Gendarmerie. The National Police is the country's main civil law enforcement agency, with primary jurisdiction in cit ...

to replace the

Manurhin MR 73 The Manurhin MR 73 is a French Trigger (firearms)#Double-action/single-action, double-action/single-action revolver chambered in .357 Magnum and .38 Special. It is manufactured by Manurhin and is available in 2.5", 2.75", 3", 4", 4.25”, 5.25", ...

. Production was a joint venture between

Manurhin Manurhin is a trademark used by Chapuis Armes since 1998. It is used to designate the Manurhin MR 73 revolver family, manufactured at Saint-Bonnet-le-Château, France. The genesis of the term “Manurhin” is ''Manufacture de Machines du Ha ...

and Sturm, Ruger & Co. and ran from 1981 to 1984.

Description

In order to produce a more affordable revolver,

signed an agreement with the American firearms manufacturer Sturm, Ruger & Co., which specializes in micro-fusion and

investment casting Investment casting is an industrial process based on lost-wax casting, one of the oldest known metal-forming techniques. The term "lost-wax casting" can also refer to modern investment casting processes. Investment casting has been used in vari ...

, processes which are less expensive than machining firearm parts from blocks of forged steel. The resulting weapon was the RMR, with a frame and mechanism made by Ruger, and the barrel and cylinder made by Manurhin similar to the

. Production was small and the gun was replaced by the Manurhin Special Police F1 (SP F1).

References

{{reflist Ruger revolvers Revolvers of France Revolvers of the United States .357 Magnum firearms Weapons and ammunition introduced in 1981