Ultimate Piston AR-15 Meltdown!
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.
Source:: Bearing Arms
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