Precision Machined from Aircraft Aluminum with a Matte Black Finish Spring-loaded Posi-lock Push Button Activation Automatically Deploys Sight Tower and Prevents Sight Tower from Collapsing when Deployed Features Tool-free Windage Adjustment and Dual Apertures Ideal for a Variety of Different Scenarios Utilizes a Single locking Torx Screw with Low Profile Mounting Base and Square-shaped Integral Recoil Stops for a Secure Zero Hold and Return to Zero on MIL-STD-1913 Picatinny Rails Designed to Match MNT-757, UTG ACCU-SYNC Spring-loaded AR15 Flip-up Front Sight NOTE: Torx Locking plate Recommended Torque Value: 35 in-lbs.