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Jim Watson · May 16, 2017, 10:35 PM

Have you seen
http://forum.m1911.org/temp/1911manufacture.pdf

The bill of materials gives the 1942 barrel as 4150, other parts different levels of carbon steel. The muzzle end of the slide was being hardened at the time.

May 16, 2017, 10:35 PM	#17
Jim Watson Senior Member Join Date: October 25, 2001 Location: Alabama Posts: 18,532	Have you seen http://forum.m1911.org/temp/1911manufacture.pdf The bill of materials gives the 1942 barrel as 4150, other parts different levels of carbon steel. The muzzle end of the slide was being hardened at the time.