Do not know what your numbers mean, but:
Maximum possible normal hit vs Combat armor with 3 BRD:
Caws: 61-97 (OMG burst with 3 BRD)
Combat Shotgun: 34-59
Minigun (AP): range=1: 313-370; range>1: 104-123
Minigun (JHP): range=1: 232-277; range>1: 77-92
Avenger (AP): range=1: 351-408; range>1: 117-136
Avenger (JHP): range=1: 262-307; range>1: 87-102
P90 (AP): range=1: 164-217; range>1: 54-72
P90 (JHP): range=1: 138-186; range>1: 46-62
AR (AP): range=1: 148-216; range>1: 49-72
AR (JHP): range=1: 111-165; range>1: 37-55
Tommy Gun (the weakest MG!!!): range=1: 45-198; range>1: 15-66
I used this formula for calculating with some actual changes. (DT/3 instead of DT/5)
http://fodev.net/forum/index.php?topic=8853.0If you do not trust in my calculations, just test it in-game yourself.