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Old July 10, 2013, 11:01 AM   #18
hammie
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Join Date: March 18, 2009
Location: Glendale, AZ
Posts: 570
@MIKEIRWIN: Like you, I always thought it was a casting. Powdered metal technology was still in its infancy in 1964, and I've been skeptical that a receiver could be made with the necessary tensile and shear strength for that application. However, I'm not a metallurgist.

I've never found an authoritative source for the casting versus sintered metal question in the post '64 receivers. Apparently you did. Thanks for setting the matter to rest.
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