The Mul-T-Lock MT5+ Hercular is part of the Door Locks test program at Consumer Reports. In our lab tests, Door Locks models like the MT5+ Hercular are rated on multiple criteria, such as those listed below.

Kick-in as sold: How well it survived increasingly forceful impacts, when installed with included hardware

Kick-in reinforced: How well it survived increasingly forceful impacts, when installed with an aftermarket Box Strike and included hardware

Drilling: How well it stood up to assaults with a drill