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RJay · 11-13-2012, 07:53 PM

That Patent marking was used in 1911, if your firearm is in tight condition, it should be safe with modern ammunition, The pressure of the smokeless ammo is the same as the black powder cartridges, smokeless has a sharper power curve. So enjoy.

11-13-2012, 07:53 PM	#9
RJay Advanced Senior Member Join Date: Feb 2004 Location: Arizona Posts: 3,504	Re: Iver Johnson notch on handle? That Patent marking was used in 1911, if your firearm is in tight condition, it should be safe with modern ammunition, The pressure of the smokeless ammo is the same as the black powder cartridges, smokeless has a sharper power curve. So enjoy. __________________ RonJames