The biggest culprit for issues with modern AR15s are the magazines.
The original idea of an aluminum disposable magazine turned into disposable magazines that were retained and used for decades. Additionally, aluminum magazines can look just fine but be out of spec - this is a daunting issue to diagnose.
In this video we discuss the history of the AR15 magazine, past attempts to improve it, and what we believe is the right answer in 2018 and what we standardized on for the WWSD project.
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