The RMC hulls are lathe turned and the walls are thick enough to allow the use of 12 gauge wads. The Track hulls (which I use) are drawn and require 9 gauge wads. The Track hulls are pretty neat since they are very similar to the original Parker hulls and have "Parker" on the base of the hull. I believe the RMC hulls use a 209 primer and the Track hulls a large pistol primer.


John McCain is my war hero.