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04-01-2016, 08:44 PM
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Join Date: Apr 2014
Location: Pa.
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Sport II lower receiver material
S&W lists their upper spec's as 7075 series aluminum, they list the lower as just aluminum. Anyone know for sure if it is the same 7075 and not 6061.
thanks!
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04-01-2016, 09:31 PM
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I don't know for sure, but the stripped lowers sold by various makers all seem to be 7075, either billet or forged.
FWIW, I wouldn't think the upper and lower would be different given that 7075-T6 has a yield in the 65,000 psi range; 6061-T6 about 40,000 psi.
Quite a big difference, one that might lead the takedown and pivot pin holes to wear at very different rates.
S&W have a reputation for quality (most of the time;>) and would use the better alloy.
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04-01-2016, 10:34 PM
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I really wish Smith would do a better job with their specs... both upper and lower are made from the same material.
https://www.smith-wesson.com/wcsstor...II_PRFINAL.pdf
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04-02-2016, 07:29 AM
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Quote:
Originally Posted by cyphertext
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Thanks so much, I missed that reference!
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04-02-2016, 07:33 AM
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Quote:
Originally Posted by modelbuilder56
Thanks so much, I missed that reference!
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No problem... You shouldn't have to dig through press releases though, the info should be right there on the spec sheet.
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