The Rattlers (9-9, 4-2) led by four late in the second half, but North Carolina A&T (7-10, 3-2) hit three consecutive 3-pointers to take the lead.
Leslie Robinson hit two consecutive 3-pointers to bring the Rattlers within one with less than a minute to play, but Rush scored two free throws to put the game away. He scored 15 points in the second half and was perfect from the free-throw line.
Florida A&M turned the ball over 25 times and was 8-for-18 from the free-throw line. The Rattlers had six players in double figures including Lamar Twitty with 16 points followed by Robinson with 15. Rome Sanders, Darius Glover and Jon Mason each finished with 10 points. Brian Greene had a double double with 11 points and 15 rebounds.