Magpul PTS MBUS Back-Up Sight Set ( OD )

Designed As a Low-Cost , Color Injection Molded , Folding Back Up Sight 

- Airsoft Version of MBUS ( Magpul Back Up Sight ) 
- Set of Front & Rear Sights. 
- Spring Loaded Flip-Up system, deployed by pressing release point which can be reached by both sides or on top. 
- Sights lock into position with audible click sound, and fold without having to release any lock. 
- Front sight with Standard Adjustable M16 Style Sight Post.
- Rear sight with Dual Apertures and Adjustable Windage.
- Same High-Strength Polymer Material As PMAG.
- Fits 20mm Rails.