Why is HK so complicated?
This guide addresses common suppressor fitment issues encountered when customizing HK firearms, specifically the UMP9. FrenchGunGuy highlights how design elements, such as handguard or sling mount configurations, can interfere with tri-lug suppressors. The video demonstrates that while not a fault of HK's design, these factors can be frustrating for users seeking to modify their firearms, often necessitating the use of direct thread suppressors as a workaround.







