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What polymer are AR15 polymer lowers made of?

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Old 06-24-2012, 06:30 AM   #1
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Default What polymer are AR15 polymer lowers made of?

does anybody know?

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Old 06-24-2012, 07:01 AM   #2
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I don't know for sure but nylon based composite would be a safe bet. Prolly has something in it to stiffen it up some but nylon has great tension properties.
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Old 06-24-2012, 07:58 AM   #3
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Proprietary I'm sure, prolly similar to glock and M&P frames..... Nylon 6 reinforced with fiberglass an other additives.
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