Ok think I am finally on to something with this load out of my DPMS 16" 1:9 twist
Shot today round robin 5 shot groups at 100 yds. Wind was kinda strong coming from 10 oclock position
KVB 5.56m primer
R P once fired brass
TTL 1.740"
Case weight: within +/- 0.1 gr
Varget powder