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*
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The Two-Box configuration of the M551*
was one where a number of missile system*
components were removed in order to make space*
for additional conventional ammunition.*
*
This unit is also represented as firing*
the M625 canister round for the 152mm main gun.*
In addition it also mounts both an additional*
M60 machine gun known to be done in the field,*
as well as, improvised anti-HEAT armor screens*
commonly fitted in the field.*