Columbia 300 Bowling Balls. The latest and greatest from Columbia 300. This ball is the first of its kind for Columbia 300 featuring our first mass bias core in the high performance category. The core combined with our Full Tilt 5.0 shell will give every bowler an advantage on today's lane conditions.FeaturesReaction SkidFlipVeneer Full Tilt 5.0Surface 4000 Grit AbralonCore Mass Bias Full Swing Asymmetric