Magpul Mag1518Black MBUS 3 Sight Front Picatinny Rail/STANAG 4694 Rail The MBUS (Magpul Back-Up Sight) Pro Sight Front, Hooded Is An All-Steel, Back Up Front Sight. The Hooded Front Sight Arm provides a Profile That Aids In faster Sight Acquisition While minimizing Snagging. Its Also Just as Durable as The Other Pro Sights thanks To a Corrosion-Resistant QPQ Finish That delivers Maximum Functionality And Strength With Minimum Bulk. Frame Material: Steel
