Description
USA HK UMP Left Hammer Spring
New U.S hammer spring- left side A high wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm.
Compatible With:
- HK UMP models 45, .40 & 9mm
- USC .45 and other conversion models
Additional Information
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FIREARM MODEL(S):
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, UMP
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CALIBER:
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9mm
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CALIBER:
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.40 S&W
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CALIBER:
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.45 ACP
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ORIGIN:
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USA
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