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retaining screw

  1. Blackpowder Frame SAA question

    Colt Revolvers
    I have recently looked at a couple of blackpowder frame Single Action Armys. I knew that Colt changed from a vertical cylinder pin retaining screw to a spring-loaded transverse screw around 1896 roughly S/N 164,000. But I didn't know that there were retaining screw variations before 1896. The...