Diamondhead

-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