# INFANTRY WEAPONS AND THEIR EFFECTS

Department of Defense PIN 20530 INFANTRY WEAPONS AND THEIR EFFECTS U.S. PISTOL CALIBER .45, SUBMACHINE GUN CALIBER .45, U.S. CARBINE, CALIBER .30. MECHANICAL CHARACTERISTICS, OPERATION, AND USE IN COMBAT.

- Kind: Educational
- Year: 1954
- By: Department of Defense
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dod.dimoc.20530)
- Licence or status: [CC0 1.0](http://creativecommons.org/publicdomain/zero/1.0/) (as the archive states it)
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

Not offered: its uploader marks it public domain, and the US Copyright Office's records do not settle that it is (a record that may be another film's, a film first published abroad, a year when renewal was automatic, or a country they do not name). Unclear is not offered.