![Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service) Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service)](https://www.nps.gov/spar/learn/historyculture/images/Bang_rifle_M1922_a.jpg?maxwidth=650&autorotate=false)
Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service)
![Romanian weapons modified in the U.S. become scourge of Mexican drug war – Center for Public Integrity Romanian weapons modified in the U.S. become scourge of Mexican drug war – Center for Public Integrity](https://publicintegrity.org/wp-content/uploads/2011/02/Guns_lead_art_609px-1170x600-c-default.jpg)
Romanian weapons modified in the U.S. become scourge of Mexican drug war – Center for Public Integrity
![Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service) Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service)](https://www.nps.gov/spar/learn/historyculture/images/Thompson_T_rifles_rt_sd.jpg?maxwidth=650&autorotate=false)