Some chrony's come equipped to measure joules, I know the Fidragon ones I used to sell did.
People have been gaming them and we haven't heard of anyone dying or their lenses being shot out, but yes with the increased hardness there can be a risk.
And for the last time, we cannot use them at CAPS as any clear bb's are not allowed at TTAC3 due to the difficulty of cleaning them up.
Time will tell if these things will become accepted, people need to read and understand the testing results before making their decisions.
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