Photoflash cartridges produce a
single illuminating flash for
aerial photography during
reconnaissance missions. They
are all automatically fired from
a multibarreled ejector.
M123A1 comes in:
2-second delay (L139)
4-second delay (L140)
6-second delay (L141)
* M124 Practice (L142)
M112A1 comes in:
1-second delay (L135)
2-second delay (L136)
4-second delay (L137)
* M121 Practice (L138)
* The two practice cartridges are similar to the
service cartridges, but contain inert charges.
They are fired from the same ejectors and
approximate the same weight and handling
characteristics as the service cartridges.