I have not weighted it yet , this is a least the second one of these Dave Clements has done ran acoss pics of one out of CA. It is 1 in 14 , There is about 600 fps between the revolver and the m7722kh, I am working with the 46 g speer in front (1024 spfn) of 11.5 g lil gun clocking at 2267 avg. does not look to be near max yet don k