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38
UMP SUBMACHINE GUN
Ammunition
The UMP submachine gun was designed to use ammunition designed to
NATO or SAAMI specifications. Like an automobile engine, you cannot
expect top performance by using poor quality fuel. The same applies to
firearms. There are a number of general considerations that should be
made when choosing the type of ammunition you plan to use in the
UMP.
DO USE
• Ammunition of the appropriate caliber and of recent manufacture
• Clean burning ammunition
• Non-corrosive ammunition
• Jacketed Hollow Point (JHP), “Silver-Tip”, ball, truncated cone, “Hydra
Shok”, +P, etc.
• Limited quantities of .45 Super ammunition in the UMP45 model
DO NOT USE
• Reloads or remanufactured ammunition. Beware of military surplus,
foreign or outdated ammunition.
• Non-jacketed or exposed lead ammunition
• Corrosive ammunition (primer and/or propellant)
• Any ammunition that exceeds NATO or S.A.A.M.I. pressure limits
• Empty cases as “dummy“ (inert) rounds, as damage may result to the
weapon, especially the synthetic magazines employed in the UMP.
Use complete dummy rounds available for training purposes.
• Aluminum cased ammunition (i.e. CCI Blazer) in the UMP40.
Stoppages
In the event of stoppages on the UMP, the weapon is to be considered
loaded until the actual cause of the stoppage has been determined.
During the elimination of stoppages, safety precautions are to be taken
into account.
In the event of stoppages on the UMP, for example the cartridge fired
from the UMP is not ignited, the bolt assembly does not close
completely, or the spent cartridge case is not ejected, the following
immediate steps have to be taken:
1. Put the UMP on (Safe).
2. Remove the magazine.
3. Unload the UMP.
4. Ensure that barrel, cartridge chamber and receiver are free of
obstructions.