Hey guys, I have a question that I can't seem to find an answer to. I have the si m frames and helo kit. I use my m frames for real steel shooting as well as Airsoft. A few week's ago one of the local fields said we were unable to use them, as there claim from the insurance company is the frames and lens would fail and shatter if they were to get hit at 14 jewels of force. Jewels is a measure of force incase you guys don't know. I myself don't really understand it. I am trying to find any information that would confirm or deny this clam. Thanks ahead of time.