according to one account, doc holliday used a 10 gauge wm. moore & co. coach gun to shoot tom mclaury point-blank in the chest with buckshot during the gunfight at the ok corral in tombstone, arizona, on wednesday, october 26, 1881. they stood in such close proximity that the town mortician was able to cover mclaury's wound with one hand. wyatt earp also used both barrels of a 10 gauge coach gun to kill frank stilwell at a tucson, arizona rail yard and to kill "curly" bill brocius point-blank the next year during the shootout at iron springs. however, according to another account, both men used greeners.