Probably not.
If its consistent probably not but if u see it drop to 390 then go 396 then spike 410 then u will be ok. But ifnits shooting 410 and drops 404 then 408 thenu will need to use a small volt battery or ajust ur setup. Just fire you aeg full auto sonthe spring is compressed leave for half a day and u should be at the 380 390 range
No. 400 fps limit!
They test it. They won't
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