The Ultradyne C4 Dynamount Folding Front Sight is designed to mount to your barrel, not your handguard for less chance of movement.

Features and Specifications:
Manufacturer Number: UD10520
Material: 4140 Chrome Moly Steel, 7075 Aerospace Aluminum Alloy
Finish: Black Nitride (steel), Black Hard Anodized (aluminum)
Index Range: 45º
Weight: 2.2 oz.
Aperture: 12 MOA
Windage: 40 MOA, 0.5/click
Elevation: 28 MOA, 1.25/click
Dimensions: 1.21”W x 0.369”H (stowed)

Fits:
1/2 x 28 Barrels

Made in the USA