The lightweight, streamlined design of the Daniel Defense A1.5 Fixed Rear Sight makes it the optimum back up iron sight for shooters using todays most popular reflex optics. Its well thought out design does not impede the use of the charging handle on M4 type rifles. The one piece design makes it easy to install to any Military Specification flattop upper receiver and the sight is secured to the upper using a slotted fastener which is threaded into a self-locking steel thread insert via use of Patented Rock and Lock Attachment Technology. Sight is set at Absolute Cowitness Height. Rear Sight Aperture Small: 0.070". Rear Sight Aperture Large: 0.200".

• Type: Fixed Rear
• Frame Material: Aircraft Grade 6061-T6 Aluminum
• Frame Color: Black Hardcoat Anodized
• Firearm Fit: AR-15
• Style: Fixed
• Rear Material: Aluminum
• Rear Color: Black
• Windage Adjustment: 1 MOA
• Firearm Type: AR Platform

*Item must be returned in unused condition and in the original manufacturer's packaging (if applicable). If an item arrives non-defective and accurate to its description, this guarantee does not apply and returns will not be organized in those situations. Please confirm compatibility and specifications with us regarding item Daniel Defense A1.5 Fixed Rear Sight Black before purchasing if you are unsure.