John Taylor recalls Joseph "snapped" his pistol six times into the mob, it fired three times successfully.
"John Taylor, Martyrdom Account[a]," p. 49[a], The Joseph Smith Papers website, accessed February 24, 2021
I shall never forget the feeling of deep sympathy and regard manifested in the countenance of Br. Joseph as he drew nigh to Hyrum & leaning over him exclaimed; “Oh! My poor dear brother Hyrum!” He, however, instantly arose, and with a firm quick step and a determined expression of countenance approached the door, and pulling the six shooter <left by Br. Wheelock,> from his pocket, opened the door slightly and fired <snapped> the the pistol six sucessive times; only three of the barrels, however, discharged. I afterwards understood that <two or> two of <three> were wounded by these discharges, two of whom <I am informed> died.