Scalarworks has just released their BOR/RMR Benelli M4 Optic Rail for Trijicon RMR sights. The BOR/RMR is a lightweight, low-profile, 1913 rail which replaces the factory Benelli M4 rail, in addition to adding a Trijicon RMR mounting platform. When mounted to the platform, the RMR which sits in a position which allows it to co-witness with the M4 iron sights. Compatible with all Trijicon RMR sights (RM01-RM08).
scalarworks.com/optic-mounts/bor-rmr