Diamond AR15/M4 Front Gas Block in Newport News, Virginia For Sale

"
Diamondhead xxxx Diamond AR15/M4 Front Gas Block
Diamondhead DIAMOND Gas Block Front Combat Sight for AR15
The Diamondhead DIAMOND (Gas Block) Front Sight mounts directly to an existing railed gas block of the reduced gas block height. The gas block sight comprises a proprietary Diamondhead Premium sight base (of increased height to compensate for the lower gas block) and a Premium DIAMOND upper sight housing.
Features:
- Rail mounted, Diamond folding sight - incorporating the (Pat. & Pat. Pend.) 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
- Proprietary Diamond-Shaped Housing™ frames & centers the target with speed and ease
- Diamondhead® Series Flip-Up Front and Rear DIAMOND sights are designed to work together to create the (Pat. Pend.) Diamondhead® Integrated Sighting System™
- Mil. Spec. stainless steel and Type 111 black anodized xxxx T6 aircraft aluminum construction
- Easy installation with proprietary clamping system, providing secure attachment to all Mil. Std xxxx 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
"Model: DMHD xxxx
Price: $93.34
Source: http://www.sportsmanstooloutfitters.com/index.php?dispatch=products.view&product_id=xxxx0