The following information on the United States Revolver Association records and rules comes from Burning Powder by Lt. Col. Douglas B. Wesson. Burning Powder is also available to purchase in print.  Individual Indoor Championships Usually fired in April. All at 20 yards and by artificial light. SLOW FIRE GROUP Match M. Any Revolver. 50 shots in one hour on 5 … Continue reading United States Revolver Association Records and Rules