Product Features Precision Machined from Aircraft Aluminum and Finished in Matte Black 45 Degree Angled Offset Allows Quick Access and Transition to Iron Sights when Running a Larger Primary Magnified Optic Posi-lock Retention Detent Prevents Sight Tower from Collapsing when in Use Integrated Elevation Adjustment Wheel Provides Tool-free Front Sight Post Adjustment 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 MT-945, UTG ACCU-SYNC AR15 45 Degree Flip-up Rear Sight Product Specifications Material: Aluminum Weight: 1.13 oz Pieces: 1 Rail Type: Picatinny Length: 0.945 inch Width: 2.739 inch Height: 1.7 inch