What polymer are AR15 polymer lowers made of?

Discussion in 'AR-15 Discussion' started by buildthedamnfence, Jun 24, 2012.

  1. linuxuser3890

    linuxuser3890 New Member

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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.
     

  2. AgentTikki

    AgentTikki New Member

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    Proprietary I'm sure, prolly similar to glock and M&P frames..... Nylon 6 reinforced with fiberglass an other additives.