ChaseFan9 Posted May 18, 2015 Report Share Posted May 18, 2015 The polymer lower has been out for a while now, and it's come a long way since. I wanted to get an 80% just to practice up before I go to an aluminum one, but it'll still see a good bit of use. I was wondering, can anyone speak on the strength and endurance of polymer lowers? I'm sticking with 5.56 or smaller, about how many rounda can I expect to run before I've got a broken piece of plastic? Quote Link to comment Share on other sites More sharing options...
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