Description
This round was designed for practice in AA fire, setting of the fuze, etc.
The M42B2 Shell Body has an open base which is closed when a large steel base plug is screwed into place. In all other respects except for painting it is the same as the M42 Shell Body. It is painted blue with white stencil.
Functioning
No information about functioning.
See Also
Source(s)
TM 9-1904, Ammunition Inspection Guide (1944)
