The AR-T.E.R. Extension Ring aids in mounting AR optics on short stocks. It's milled from 1 piece of aluminum and includes a quick-detach lever for easy attachment and removal.

The AR-TER extension ring aids in mounting AR optics on short stocks. It's also ideal for mounting a red dot sight ahead of the AR-Tripler.

Features:

Milled from 1-piece of aluminum alloy for increased strength
Includes quick-detach lever for easy attachment and removal
Protected by the unconditional Burris forever warranty

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