AWESOME! I can see myself using this calculator once I dial in on pellet weight and velocity. Thanks.https://www.pyramydair.com/blog/2006/08/diana-4852/
i think 15.5 would be on the low side and 18 on the high side but they could get higher with a spring change
https://www.airguns.net/calculators.php
if you know your numbers you can find you power level
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