King combined with Moses Skillon on the touchdown pass early in the fourth quarter for the game's final score.
Orlando Johnson took an option pitch and scored from 8 yards out to tie the game at 7 with six minutes left in the first half. Skillon's 3-yard run put the Bears (4-5, 4-3 Mid-Eastern Athletic) ahead with 4:40 remaining in the third.
Skillon finished 16-of-30 passing for 327 yards with six of those completions going to King. Skillon added 74 yards on the ground and Johnson had 20 carries for 92.
The Rattlers (1-9, 1-6), who dropped their third straight game, got their only touchdown on Kenneth Coleman's 12-yard pass to Brandon Norwood in the second quarter.