Forster Headspace Gauges.

Part II If there are times when using brass to gauge headspace is OK then there must be times when it’s a bad idea.  High intensity cartridges Wildcat cartridges Ackley Improved cartridges High intensity cartridges run from 47,000 PSI to 65,000 PSI.  A high intensity cartridge with a little headspace can cause all kinds of…

I doubt that P.O. Ackley set out to be famous.  But life has it’s twists and turns, Ackley worked hard to learn his trade and equally as hard at putting out the word about his work.  He became acquainted with many gun writers and leaders in the gun industry. In 1936 he made the decision…