Lee Long Charging Die is for use with the Auto-Disk, Pro Auto-Disk and Auto-Drum Powder Measure. Works with cases .860 to 1.760 inches long (22 Hornet to 223 Rem).
Works the same as the pistol powder through expanding die, except it doesn`t expand the case mouth. Rifle case expansion is done in the sizing die.
For cases 1.760 to 2.620 inches long, use the long charging die.