View Full Version : Ruger GP 100 357 caliber question
May 12, 2010, 08:59
I picked up an extra cylinder in 357 for my 357 Gp100 with a 6 inch barrel. I'm wondering if it can be made to chamber another caliber (like 38 super)? Any advantages, disadvantages or thoughts appreciated..
May 12, 2010, 10:48
Very strong revolvers.
I'm not sure what advantages you would gain by having the conversion done.
If it's feasible.
May 12, 2010, 12:05
You might be able to have it rechambered to .357 SIG. I don't see any real advantage to chambering it for .38 Super. Add to that the fact that both of those calibers (.38 Super and .357 SIG) are designed to be used in semi-auto pistols, which means you'll have extraction problems in a revolver. I'm also not sure there's enough meat in the cylinder walls to rechamber to .357 SIG, but a competent gunsmith should be able to tell you that.
May 12, 2010, 18:53
Have it chambered for 9mm. Then you can use moon clips for speed, shoot cheaper ammo and have a fun plinker, or cheap race or bowling pin gun.
May 12, 2010, 19:47
You should slug the bore first. .357 Magnum bullets are .358 diameter. 9 mm bullets are .355.
A wierd combination of the .357 to another chamber/caliber would be a short Baines and Davis. Kinda' neat, maybe. Baines and Davis is a .44 mag necked down to .357 bullet. Maybe a "special" version. Good luck.
May 12, 2010, 20:03
A better alternative would be to sell that extra cylinder and put the cash towards one of the .327 Magnum versions of the GP-100.
Lots better than screwing around changing cylinders all the time.:wink:
May 12, 2010, 22:02
Clements Custom Guns makes them into (5) shot .44 Specials, among other things...
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