Senior Jillian Chiarantona was one of four Griffins to score in double figures with a team-high 16 points. She was named to the All-Tournament Team.
Junior Ashley Vandiver and sophomore Karen Tierney each added 13 points and junior Jackie Dougherty chipped in 11.
The Griffins (2-1) hit nine three-pointers in the game and shot 13-of-24 (54%) in the second half to down the Bullets (1-2).
Jennifer Bengal scored a game-high 28 points for Gettysburg.
Gwynedd returns to action on Wednesday, November 30th with their first Pennsylvania Athletic Conference Game at Wesley starting at 6 p.m.