My Hornady manual does not list TAC for its 75r bullets, and my Ramshot manual only lists the Hornady 75gr HPBT (21.7 - 24.1, COL 2.260). I am pretty sure the AMAX is a much longer bullet than the HPBT as the BC are .435 and .395. I will definitely be loading to a length longer than 2.260. I am about to test an empty cartridge in my rifle to determine seating depth.

Also, I am a little leery of the Ramshot data because it lists its test rifle as a 24" 1-12 twist barrel that produced velocities for this combo from 2582-2820. I have a 22" barrel with 1-9 twist. I have shot this bullet out of this gun with pretty good results using XBR8208 at 22.8 and 23.1 grains, but I did not have a chorine at the time so I have no idea of velocity. I now want to try it with TAC.

Does anyone with another reloading manual have a published load range for TAC and 75gr Amax?

has anyone worked up safe loads with this combo?

Should I load to the HPBT specs? (The Hornady manual does list the 2 bullets together when listing its load data)