UTG 45 Degree Flip Up Rear Sight

AR-15 Flip-up Rear Sight Features and Specifications: Manufacturer Number: MT-945 Material: Precision Machined from Aircraft Aluminum Finish: Matte Black 45 Degree Angled Offset Allows Quick Access and Transition to Iron Sights while Running a Larger Primary Magnified Optic Posi-lock Retention Detent Prevents Sight Tower from Collapsing when in Use Windage Adjustment Wheel Provides Tool-free Adjustment of the Dual Aperture Sight 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 Rails Designed to match SCP-276-068 (MT-745)