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Old 12-14-2011, 10:43 PM
Hondo44 Hondo44 is offline
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Default Heat treated S&W cylinders

Source: Standard Catalog of Smith & Wesson, 3rd edition. The government contract for S&W to build 1917 45 ACP revolvers for WW I stipulated heat treated cylinders. By c.1920 S&W heat treated all of its revolver cylinders.

Therefore your 30-1 is heat treated and more than sufficiently strong for the "modern revolver loads". I use them in my 1966 vintage 30-1 with absolutely no ill effects. Feel comfortable to proceed with no reservations.
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Jim
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