The Trijicon RMR/SRO Low Weaver Mount Quick Release Mount with Trijicon Q-LOC Technology features a Mil-Spec drop test rated 6061-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 Weaver rail.Designed specifically for the Trijicon RMR. This lightweight Low Weaver mount is perfect for mounting the RMR/SRO on any weapon platform with a Weaver rail that requires a low optical height. Such as a shotgun, .22 rifle or pistol platform.