Use this cantilever mount for mounting 1-inch telescopic
sights onto flattop style AR-15 rifles. The 2-inch offset of this
cantilever mount positions the scope in a forward location, allowing the
correct eye relief and head placement on an AR-15. Aluminum
contruction.
Note : The cantilever ring mount positions the center of the
riflescope tube at a height of 1.59 inches (40.39 mm) from the base.
Weighs 6.7 ounces.