L.E. Wilson Neck Sizing Die Bushing 312 Diameter Steel

The L.E. Wilson Neck Sizing Bushing will allow the reloader to custom fit the L.E. Wilson Neck Sizer Die to any brass and bullet combination. To determine the correct size bushing, simply measure the outside diameter of the neck of a loaded round, then subtract .002" or .003" from the measurement. Since brass has a tendency to "spring-back" after sizing, this calculation will result in a consistent .001" to .002" inch of grip between the case neck and the bullet. Consistent neck tension is a key