Charles Davis scored 10 of his 28 points in the fourth quarter to push the Bullets past the Big M Trotters, 114-106, in a battle of unbeatens in the Urban Coalition League last night at Dunbar High School.

Davis, a 6-foot-7, second-year pro from Vanderbilt, entered the game with the score tied, 96-96, and 5:22 remaining. Two dunks, a tap-in of a missed Rick Mahorn shot, and two free throws later the Bullets (8-0) had a 104-96 advantage.

Davis made an impression on Bernie Bickerstaff, assistant coach of the Washington Bullets.

"Charles showed a great deal of improvement tonight," said Bickerstaff. "A year in the pros has given him a lot more confidence. He really did a good job for us in that fourth period."

The Trotters (7-1) relied mostly on quickness; the Bullets resorted to their muscle game, with Mahorn, Steve Leingenfelder and Davis pushing players around.

The overflow crowd was treated to several spectacular plays by Michael Britt, the University of the District of Columbia forward who plays for the Trotters. Britt led all scorers with 33 points, 18 rebounds, two blocked shots and six assists. Britt gave the crowd an early indication of what kind of game it was going to be when he leaped high above the rim to rebound the Bullets' first miss, dribbled past three defenders and made a slam dunk.

It was all Britt in the first quarter as he scored 10 points to give the Trotters a 27-26 advantage. But Davis took over in the second period with 16 points as the Bullets moved to a 54-50 lead at intermission.

The Trotters got their running game in full gear in the third quarter as they opened up their biggest lead of the game, 79-74.

As the fourth period began, the Bullets outscored the Trotters, 12-7, in the first seven minutes. Nate Davis, a 6-foot-5 free agent guard from South Carolina, scored eight of those points.

"He is a good-looking player," Bickerstaff said. "He did some things that really caught my eye."