Re: 105 gr Berger or the 105 gr Hornady bthp?
I have tested the 105 hornady hpbt and Amax, berger hunting vld, berger hybrid, and 107 SMK all in one setting from my 6br. Using a very heavy charge of Re17, the same charge for all bullets though, and the same seating depth, .020" jam.
600yrds <2 mph wind 63*
Hornady hpbt match 3030fps avg 4.88" group for 5 shots
Amax 3020fps avg 2.78" 5 shot
Berger hunting vld 3060fps avg 4.16" 5 shot
Berger hybrid 3070fps avg 2.86" 5 shot
Sierra matchking 107 3010fps avg-horrible! Well over moa
The only two bullets of the 5 that didn't hit within 1/4" with the same dialup were the Berger hybrids (1.5" high) and the 107 SMKs (1" low)
Hope this helps, if I were only shooting to 750yrds my choice would be the Amax beyond that the Berger Hybrid.