Precision Machined from Aircraft Aluminum and Finished in Matte Blacka 45 Degree Angled Offset Allows Quick Access and Transition to Iron Sights while Running a Larger Primary Magnified Optica Posi-lock Retention Detent Prevents Sight Tower from Collapsing when in Usea Windage Adjustment Wheel Provides Tool-free Adjustment of the Dual Aperture Sighta Utilizes a Single locking Torx Screw with Low Profile Mounting Base and Square-shaped Integral Recoil Stop for a Secure Zero Hold and Return to Zero on MIL-STD-1913 Picatinny Railsa Designed to Match MT-745, UTG ACCU-SYNC AR15 45 Degree Flip-up Front Sight45 Degree Flip-up Front Sight