This loading was devised by Nitro and it was tested with a pressure gauge by Alex.
It is an excellent slug as You can see, it has a low pressure for this kind of cartridge (640bar) with a hight velocity 450m/s.
It was tried with wild porc in very long range shot.
We have made a round edge clousure
As You can see it is very good
Its finished height is 58,5 mm.