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Webleymkv · June 12, 2008, 04:23 PM

What are they currently chambered for? I thought that the MR-73 was chambered in .357 Magnum, if that's the case then you may find the accuracy to be rather lackluster with .38 Super as it typically uses .355-.356 bullets wheras the .38 Special and .357 Magnum use .357-.358 bullets so unless the barrel is to be replaced you'll be shooting undersize bullets. Other than perhaps the ability to use moonclips, I don't really see the point in converting the revolver as .357 Magnum can be had more powerful and less expensive than .38 Super. If the moonclip thing is what you're after, why not simply have the face of the cylinder machined to accept .357 Magnums with moonclips? This is a common modification on S&W and Ruger Revolvers.

June 12, 2008, 04:23 PM	#2
Webleymkv Senior Member Join Date: July 20, 2005 Location: Indiana Posts: 10,446	What are they currently chambered for? I thought that the MR-73 was chambered in .357 Magnum, if that's the case then you may find the accuracy to be rather lackluster with .38 Super as it typically uses .355-.356 bullets wheras the .38 Special and .357 Magnum use .357-.358 bullets so unless the barrel is to be replaced you'll be shooting undersize bullets. Other than perhaps the ability to use moonclips, I don't really see the point in converting the revolver as .357 Magnum can be had more powerful and less expensive than .38 Super. If the moonclip thing is what you're after, why not simply have the face of the cylinder machined to accept .357 Magnums with moonclips? This is a common modification on S&W and Ruger Revolvers.