The Gold Medal Match Series comprises the finest reloading dies built by RCBS®. The Gold Medal Seater Die features a micrometer adjustable, free-floating and self-centering bullet seating system with a convenient bullet-loading window. This allows the bullet to be seated in precise alignment with the cartridge case. The Gold Medal Seater Die can also be used on progressive presses with the exception of the .221 Rem. Fireball, .17 Rem. Fireball and .22 Hornet cartridges.