The Diamondhead Flip-Up Front Sight’s unique diamond-shaped housing frames and centers the target with speed and ease – especially when integrated with the Diamondhead Flip-Up Rear Sight. The revolutionary design of the front housing offer quick alignment of the front sight post in the center of the rear aperture, it flips up quickly for rapid deployment, and folds down at the push of a button. The locking system ensures the sight stays up securely and remains zeroed in combat situations, and elevation adjustments are secure and accurate, The Diamondhead offers easy installation with a proprietary clamping system to all Mil. Std. 1913 Picatinny Rails. A standard A2 Front Sight post is included, and combat durable construction is Mil. Spec. Stainless Steel and Type 111 black anodized 6061 T6 Aircraft Aluminum.