Free-Float, Zero-Play Toolhead for Dillon RL550

***SPECIAL ORDER*** This is a special order item. Please see our special order policy here What does the floating die toolhead do? This Free-Float, Zero-Play Toolhead has lock rings that allow the sizer and seater dies to float. This floating action allows the dies to center themselves exactly over each cartridge for the best possible alignment and more concentric ammunition. What is Zero Play? This toolhead does not use original toolhead pins supplied by dillon. This toolhed is bolted with two M3 bolts and lifts toolhead into upmost position. When you cycle cases downwards toolhead does not move and cases go out in straght line. Best practice is to loosen M3 bolts a little bit and push index shell-plate with case in to dies and tighten M3 bolts in toolhed best position. What is concentricity and what does it matter? Concentricity refers to how straight the bullet is on top of the loaded round. A bullet that is straight will enter the rifling in the barrel that way. Bullets tha