"RCBS Primer Pocket Swager quickly removes the primer pocket crimp from a wide variety of military cases. Unlike reaming, the Pocket Swager Kit forms a perfectly round primer pocket to the correct dimensions for American boxer-type primers. The Combo-2 Kit comes with swaging heads for both large and small primer pockets. The RCBS Primer Pocket Swager Combo-2 is made from high tensile strength steel, and comes with a locking ring that has standard 7/8""-14 threads for use with standard single stage reloading presses. Kit includes 2 Swager rods, 1 Case stripper, 2 Swager heads, and 1 Swager die body with locking ring. Not for use with progressive presses. Manufacturer model #: 9481. Removes the primer pocket crimp from military cases Forms a perfectly round primer pocket Swaging heads for large and small primer pockets For use with standard single stage presses"