SPECIFICATIONS:
- CONSTRUCTION: POLYMER SHELL AND INTERNALS
- CAPACITY: 400 ROUNDS
- COMPATIBILITY: THIS MAGAZINE IS ONLY COMPATIBLE WITH THE S&T MANUFACTURED UMAREX HK UMP 45 AEG
PACKAGE INCLUDES: 400RD HIGH CAPACITY MAGAZINE
FEATURES:
- FLAWLESS FEED AND FITMENT
- COMPATIBLE WITH UMAREX'S H&K UMP 45 AEG