Filter
Top Products
34
UMP SUBMACHINE GUN
Operator inspection
During or after cleaning the operator should inspect the weapon and it’s
components for any irregularities that may causes problems during it’s
operation. If any potential deficiencies are noted, they should be
corrected immediately and/or brought to the attention of the unit armorer.
In general, the operator should keep a watchful eye out for the following
discrepancies both in the weapon as a whole and in each assembly
group.
• Improper function
• Missing parts
• Cosmetic flaws (cracks, dents, burrs, rust, etc.)
• Improper assembly
• Loss of spring tension (where applicable)
• Unusual looseness (where applicable)
• Cracked welds
• Excessive wear
• Absence of protective finish (where applicable)
• Absence of proper lubrication
Also check these more areas where problems may begin in the UMP.
Lubrication
Any type of high-quality, medium-weight lubricant (oil) specifically
designed for use on firearms such as Break-Free (C.L.P.) Ballistol, or
Militec will work well on the HK UMP submachine gun. DO NOT use
lubricants/cleaners that boast of their ability to penetrate metal (i.e.
WD-40, Tri-Flow, etc.) as these substances may deaden primers.
Where and how much?
No Lube – (surface is dry and not slippery to the touch)
• Sound suppressor body
• Sling
• Plastic components
Light Lube – (finger run across surface yields little or no lube)
• Bore and chamber
• All metal parts (except sound suppressor)
• Muzzle
• Magazine spring
• Axles of all operating controls (cocking lever, bolt
catch, safety/selector lever, magazine catch, etc.)
• Rear sight assembly