Edit inspired by Hectorlo
MW2019(ish) Series in the 19th century.
All credit goes to Mellamomellamo, Dr. Doctor Ph.D. Hoidersan, Mr_Macbeth, King_Creepalot, and Trankhanhduyh for their work.
(Note that this does not include Single Shots like the Dreyse Needle Gun and the MartiniHenry, And repeaters like the Spencer Carbine and Doctor Ph.D.'s Flintlock Repeater.)