Leapers UTG ACCU-SYNC Top Mounted Deployable Front Sight Black. While plenty of iron sights flip up and collapse down this one is spring-loaded so all you have to do is press a single button and the sight instantly springs upward letting you aim your weapon with ease. Plus this AR 15 front sight is made from aircraft aluminum with a steel core ensuring it is lightweight and durable. Specifications for Leapers UTG ACCU-SYNC Top Mounted Deployable Iron Sight: Manufacturer: UTG Pro Color: Black Condition: New Sight Mounting Orientation: Top Mounted Sight Position: Front Gun Model: AR-15 Gun Make: AR Platform Front Sight Color: Black Rear Sight Color: Front Sight Only Front Post Shape: Square Deployable: Yes Fabric/Material: Aircraft Aluminum/Steel Front Material: Aluminum Height: 1.77 in Length: 1.12 in Blade Height: 0.261 in Gun Type: Rifle Hand: Ambidextrous Mount Type: Picatinny Attachment Type: Picatinny Features of Leapers UTG ACCU-SYNC Spring-Loaded Flip-Up Front Sight: Spring-Loaded button activation Made from durable lightweight aluminum Single-locking Torx screw Square-shaped Integral Recoil Stops Package Contents: Leapers UTG ACCU-SYNC Top Mounted Deployable Iron Sight What firearm models does the manufacturer say Leapers UTG ACCU-SYNC Top Mounted Deployable Iron Sight is compatible with? The manufacturer suggests that Leapers UTG ACCU-SYNC Top Mounted Deployable Iron Sight is compatible with AR-15Leapers UTG MNT-757: ACCU-SYNC Top Mounted Deployable Front Sight Black