HK UMP-40 Bolt Carrier Group - .40 S&W
This listing is for a complete factory German HK UMP bolt carrier group in .40 caliber.
This HK bolt carrier group is complete with a firing pin and extractor assembly.
Parts are from police trade-in kit and have date coding and nitro crest marks.
This is not a drop in unit for the USC
Condition: Used - Good to Very Good
ALL NFA RULES APPLY