The Ambidextrous Selector Switch from POF-USA is an instant upgrade. As a result, it easily installs in any of your favorite Mil-Spec AR's. The Ambi Selector Switch was designed to maximize ergonomics and efficiency right out of the box. Once installed, you will need to attached the right side lever using a 1/16 allen wrench. Mfg: Patriot Ordnance Factory
