<P> The Thompson was favored by soldiers , criminals , police , and civilians alike for its large . 45 ACP cartridge , accuracy , and high volume of fully automatic fire . It has since gained popularity among civilian collectors for its historical significance . It has had , and continues to have , considerable significance in popular culture , especially in works about the U.S. 's Prohibition era and World War II , and hence is among the best - known firearms in history . Although the original fully automatic Thompsons are no longer produced , numerous semi-automatic civilian versions are still being manufactured by Auto - Ordnance . These retain a similar appearance to the original models , but they have various modifications in order to comply with US firearm laws . </P>
<P> The Thompson was favored by soldiers , criminals , police , and civilians alike for its large . 45 ACP cartridge , accuracy , and high volume of fully automatic fire . It has since gained popularity among civilian collectors for its historical significance . It has had , and continues to have , considerable significance in popular culture , especially in works about the U.S. 's Prohibition era and World War II , and hence is among the best - known firearms in history . Although the original fully automatic Thompsons are no longer produced , numerous semi-automatic civilian versions are still being manufactured by Auto - Ordnance . These retain a similar appearance to the original models , but they have various modifications in order to comply with US firearm laws . </P>
what caliber does the thompson machine gun shoot
what caliber does the thompson machine gun shoot
. 45 ACP cartridge
. 45 ACP cartridge