Macon (17-10, 6-6 ODAC) was a 10-1 winner in the opener before completing the sweep with a 7-2 victory over SU (14-15, 5-7) in game two.
The Yellow Jackets scored three runs in the first, two in the third, four in the fourth and one in the fifth to end the game after five.
R-MC had 11 hits in the game and took advantage of two SU errors to score two unearned runs.
Megan Scalley (5-4) took the loss for the hosts after allowing the 10 runs (eight earned) on 11 hits and two walks.
Candace Whittemore (10-5) had six strikeouts in earning the win. She allowed three hits and walked one.
A five-run seventh broke a 2-2 tie and propelled the 'Jackets to the sweep with the 7-2 win.
Shenandoah had led 2-1 thanks to single runs in the first and second before R-MC tied it with a run in the third.
The game stayed knotted at 2-2 until Macon scored the five runs on six hits and one Hornets error in the seventh.
Carrie Robinson (7-7) took the loss. She gave up seven runs on eight hits and four walks in 6.0 innings of work. Henley came on five batters into the seventh and allowed one hit.
Whittemore (11-5) was the winner in relief. She struck out five and gave up seven hits in 5 1/3 innings.