I use for my open gun VV350 8,3gr with 123 RN loss bullets and i have PF 167 with this load.
but with LOVEX D037.1 with same bullets i have much better results PF172 for load i have to ask my friend he is developing this for me :).
we will test also with LOVEX D036
my pistol is STI 2011 eagle with no holes and 3 comp ports.
N320 is not ok for major..is to fast..