He thinks he is the first to do this as well. A good read on another forum about this cartridge and it was a barrel burner.. we all k ow safariman is not the brightest. What's sad he ruined perfectly good pre64 for this abortion.
It was discussed here in 2009. All he has done is change the shoulder angle to 40 degrees and blow it out a bit. Super secret high speed ninja shït indeed.