This is a Leapers, Inc. - UTG Sight, model MNT-955.
The Leapers UTG Low Profile Dual Aiming Rear Sight is precision built from aircraft grade aluminum for superior durability" and a spring-loaded Posi-lock design with side plunger release allows for easy flipping and folding of the sight. These AR 15 Iron Sights by Leapers are equipped with a dual aiming aperture that not only boosts your accuracy during normal shooting" but is also ideal for moving target engagements as well as limited visibility shooting environments. Easily installed on a picatinny rail equipped AR platform" the Leapers UTG Flip-Up Dual Aiming Sight guarantees zero retention with a Posi-lock plunger coupled with spring activated ball bearings. Make your rear sight as important as your optic with the Leapers UTG Dual Aiming Rear Sight for AR.
Features:
Super slim flip-up rear sight for the AR platform and other long gun applications equipped with a picatinny rail
Spring-loaded Posi-lock design
Posi-lock plunger
Dual aiming apertures
Low profile 3mm locking bolt and mounting deck
