Hass did it with 13-of-19 shooting from the field - including four from distance - and 10-of-12 shooting from the line for the Bison (5-8, 2-0 Patriot League). Ryan Frazier added 13 points and Dom Hoffman had nine.
Hass was perfect from the field in the first half, accounting for 32 of the Bucknell's 37 first-half points. He sank three consecutive 3-pointers late in the period that brought the Bison from a five-point deficit to a 31-27 lead with 3:50 left before halftime.
Army went ahead 42-39 early in the second half but the Bison responded with a 10-2 run to go back on top 49-44 with 15:42 to play and never trailed after that.