Description
HK UMP 9mm -Semi-Auto Bolt Group
The semi-auto bolt group is required for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles.
Includes:
- Extractor
- Firing pin Retaining Pin
- Firing pin & Spring
Specifications:
- Tungsten filled
- Heat treated
- Parkerized
Additional Information
|
FIREARM MODEL(S):
|
, HK UMP
|
|
CALIBER:
|
9mm
|
|
MATERIAL:
|
Steel
|
|
COLOR:
|
Black
|
|
ORIGIN:
|
USA
|
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Features:
Tungsten filled
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Compatible With:
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HK G36K
HK G36C
This will not work with a HK S