Posted March 14, 2016 1:12 pm by Comments

By Bob Owens

You guys have been requesting it so here you go, in this video we take a top tier Lewis Machine and Tool Piston Upper and run it full auto until failure. The results are surprising, take a seat and see for yourself.

The post Ultimate Piston AR-15 Meltdown! appeared first on Bearing Arms.

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Source:: Bearing Arms

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