Frequently bought together:
Description
Heckler and Koch Left Side Hammer Spring for All HK UMP and HK USC Lowers
A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm.
Compatible With:
- UMP9
- UMP40
- UMP45
- USC .45 ACP and other conversion models.
Additional Information
Origin: |
Germany |
Firearm Model: |
UMP |
Firearm Model: |
USC |
Caliber: |
9mm |
Caliber: |
.40 S&W |
Caliber: |
.45 ACP |
Material: |
Steel |
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A great spare part to have on hand.
Compatible With:
UMP9
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