Too much paranoia in this thread. I have shot a 1mm Lexan at point blank with a 400FPS (~1.5J) ICS M4. Left a mark, but that's about it. Most branded glasses (ESS, Oakley, WileyX etc) are made of at least 2.5mm Polycarb.
Last edited by Amoki; March 22nd, 2015 at 04:13..
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