Timber Creek Outdoors Ambidextrous Safety Selector - Flat Dark Earth Cerakote - The Timber Creek AMBI SS is a drop in replacement for the OEM safety selector on any Mil-Spec lower receiver. The modular aircraft grade aluminum levers, combined with the ability to choose either 90deg or 45deg short throw, allows the user multiple configurations to fit their specific shooting style. Ability To Choose 45 Degree or 90 Degree Short Throw Replacement For OEM Safety Selector