I have an AR 1 : 9, 16" tacticool upper. I bought a bunch of the 53 gr. vmax bullets. I only had Alliant provarmint powder that I had. not much load devolopment out there. I also use blc-2
with alliant I went as high as 26.7 gr. and primers were ok. I settled at 25.8- 26 gr as a load in my...