Looking for pressure/velocity on a 20 Practical 24" AR. 40 gr Berger, H335, Norma USA Brass, CCI BR.
Berger manual stops at 24.1gr, Sierra 39gr goes way higher.
Started at 23.2 going to 25gr in .2 increments. 5 each.
25gr got me 3630fps with no pressure signs. Looks like I can go higher...