Spawn Duster (, , RB, RB, RB, , , , , , LB, LB) vs Spawn Rapid GT (, LB, , , LB, RB, , , ,)

Compare Spawn Duster (, , RB, RB, RB, , , , , , LB, LB) and Spawn Rapid GT (, LB, , , LB, RB, , , ,) — stats, differences, and which is better for your build.