Q:

increase power on my .22 vulcan from 890 to 920-930 fps ?

How can I increase power on my .22 vulcan from 890 to 930fps ?

Airgun Technology

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Fps is not everything, FPE is also important, especially for hunting

Thank you , guys for respond. I ‘ll leave alone. It shoots great. I ‘ll just use lighter pellets (15grain).

waste of time it will make zero practical difference.

890 would be ideal for 18 grain JSB. 930 is when using 16 grain Air Arms.

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