This has prolly been asked and answered a million times. Can anyone give me an educated guess on probable velocity for the 69 grain Lapua bullets from a .223 Remington and a 20" tube in a gas gun? Just trying to do some ballistic calcs and not sure what kind of velocity I should expect.

TIA.


Jordan

Communists: I still hate them even after they changed their name to "liberals".
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My boss asked why I wasn't working. I told him I was being a democrat for Halloween.