Diamondhead front combat sight gas block flip-up style black

FEATURES
-Black
-Rail mounted, Diamond folding sight - incorporating the patented Diamond-shaped upper housing
-Mounts directly to a railed gas block, providing secure and solid sight attachment to barrel
-Allows for sight stability, eliminates potential handguard movement and holds a true zero
-Taller sight to compensate for (below receiver height) gas block
-Patented Diamond-shaped Housing™ frames & centers the target with speed and ease
-Diamondhead's Front Diamond "Gas Block" sights are designed to work with the Diamond Rear Combat
Sight to create the Diamondhead Integrated Sighting System
-Mil. Spec. stainless steel and Type 111 black anodized 6061 T6 aircraft aluminum construction
-Easy installation with proprietary clamping system, providing secure attachment to all Mil. Std 1913
Picatinny Rails
-Flips up quickly for rapid deployment; stays up securely
-Folds down and stores easily with the push of a button
-Secure and accurate elevation adjustment
-Standard A2 size front sight post
-Combat Durable

Other Features: Proprietary diamond-shaped housing, accepts std.A2 sight posts fits ar-15 gas blocks with a picatinny rail section made in usa