Trijicon

The Trijicon RMR/SRO Lower 1/3 Co-Witness Quick Release Mount with Q-LOC Technology features a Mil-Spec drop test rated 7075-T6 aluminum design with an easy to use one handed tool less mounting system. - This Return to Zero mount boasts a low weight and low profile design compatible with any Picatinny rail. - Designed specifically for the Trijicon RMR. This lightweight Lower 1/3 Co-Witness mount is perfect for mounting the RMR on any rifle platform with a Picatinny rail. The AC32075 provides a Lower 1/3 Co-Witness with backup iron sights. This means that the RMR/SRO is mounted higher than the iron sights resulting in a clearer field of view. The iron sights remain visible in the lower 1/3 of your optical window for use as a backup. - Matte Black Anodized Finish - Made in the USA