Same M24
1.85j on .43s, under 1.5j on .20s
Without the air brake and with a lightweight piston it does 2.7j on .36s and 1.7j on .20s lol
If you get to a field and they wanna chrono on .20s then you'll be safe anyway since you're always shooting lower on .20s with a bolt action.
Joule creep is when you LOSE energy on lighter weight BBs.
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