Description
HKP HK UMP .45 ACP Magazine Block
UMP mag block plug to limit the magazine capacity to 10 rounds for states with capacity restrictions. This is designed to use on the HK UMP .45 25 round magazine.
Very easy to install & use.
Compatible With:
- HK UMP .45 firearms 25 round magazines.
- USC-UMP .45 conversions that use the UMP .45 magazine, LWRC SMG .45
- Custom firearms & builds that use the HK UMP magazines
