All very interesting, enjoy this kind of stuff. I managed to get some failsafes in 270 140 grain I want to try. also some 140 grain in 7mm I want to try in my 7-08 from an auction.
"The 375HH is the greatest level of power you can get for the investment in recoil." (JJHack) 79s and losttrail, biggest waste of air.