videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including NFM Treasure Gun - William Hawken Full-Stock Percussion Conversion Rifle, NFM Treasure Gun - Engraved Dragoons and Other Early Colt Percussion Revolvers, NFM Treasure Gun - Mosby Raider Captured Colt 1860 Army Model Percussion Revolver