The OF Force IV is a force introduced in R-Type Final but modified from Image Fight.
Red Laser: Gravity Bomb - Small energy ball fires forward then explodes in a small burst upon impact.
Blue Laser: Search Missile - Rapid fire homing missiles.
Yellow Laser: Grand Missile - Rapid fire missiles that travel along surfaces after being fired vertically.
When detached, the bullets fire straight up and down, as well as at 45 degree angles.