Brand: Burris 420188
The AR-Tactical Extension Ring is also ideal when mounting a red dot sight ahead of the Burris AR-Tripler. This mount also helps overcome the difficulties caused by the short stock of many AR configurations. This mount is milled from one piece of aluminum alloy for increased strength and accurate alignment of the scope in the mount. Quick Detach lever makes for easy attachment.
Specifications and Features:
AR-T.E.R. Extension Quick Detach Ring