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pblanc · October 18, 2017, 12:40 PM

I have never shot a Coonan 357 Magnum model 1911. I do shoot 357 Magnum out of a full size revolver (Ruger GP 100 4") reasonably often.

I have two model 1911s, both chambered in .45 ACP.

I find 45 ACP very pleasant to shoot out of a government size model 1911. I find shooting 357 Magnum from my GP 100 mildly unpleasant with the first cylinder and progressively less pleasant from there on. I can control my .45 ACP 1911s much better than my 357 Magnum revolver.

I don't know how much having the inertia of a slide and recoil spring absorbing recoil in an auto-loader would tame 357 Magnum, but unless it was very substantial there is no doubt which caliber I would feel better able to defend myself with.

If you absolutely had to have something more powerful than .45 ACP in a model 1911 I would go with 10 mm before I would choose 357 Magnum. Either 10 mm or .45 ACP will make bigger holes than 357 Magnum.

October 18, 2017, 12:40 PM	#42
pblanc Senior Member Join Date: March 23, 2008 Location: Indiana Posts: 697	I have never shot a Coonan 357 Magnum model 1911. I do shoot 357 Magnum out of a full size revolver (Ruger GP 100 4") reasonably often. I have two model 1911s, both chambered in .45 ACP. I find 45 ACP very pleasant to shoot out of a government size model 1911. I find shooting 357 Magnum from my GP 100 mildly unpleasant with the first cylinder and progressively less pleasant from there on. I can control my .45 ACP 1911s much better than my 357 Magnum revolver. I don't know how much having the inertia of a slide and recoil spring absorbing recoil in an auto-loader would tame 357 Magnum, but unless it was very substantial there is no doubt which caliber I would feel better able to defend myself with. If you absolutely had to have something more powerful than .45 ACP in a model 1911 I would go with 10 mm before I would choose 357 Magnum. Either 10 mm or .45 ACP will make bigger holes than 357 Magnum.