McCrary caught a 16-yard TD pass from Ross Blake and rushed for scores of two, 10 and 31 yards.
Jordan Cooley added a one-yard TD run for the Rockets.
McCrary finished with 137 yard rushing on 15 carries to lead R-P.
Ross was three-of-four passing for 86 yards and Cooley caught one pass for 48 yards for the Rockets.
Jake Sampson had an interception for the Rockets and Wyatt Wright and Caleb Weeks had fumble recoveries.