Ok I got around to measuring the Berger 108 BT bullets and here is my measurements on my machines.
Berger 108 BT
Bearing surface
.531-.5325 .533-.5345 .535-.5365
pcs 4 73 23
Avg weight 108.0775 108.007 108.007
Overall avg. 108.0305
Junke Measurements
Bearing surface - BT junction 3.055pts
Middle of Bearing surface 3.0765 pts
Bearing surface- ogive 3.1003 pts
Berger 108 BT
Bearing surface
.531-.5325 .533-.5345 .535-.5365
pcs 4 73 23
Avg weight 108.0775 108.007 108.007
Overall avg. 108.0305
Junke Measurements
Bearing surface - BT junction 3.055pts
Middle of Bearing surface 3.0765 pts
Bearing surface- ogive 3.1003 pts