Perhaps look at the Badger LR-EFR. I have one sitting here for my 7SAUM in a McMillan Game Scout. The regular EFR wouldn't have been an option.
http://www.badgerordnance.com/night-vision-mounts/light-rifle-embedded-front-rail-lr-efr-mount-for-mounting-clip-on-style-nv-sights.html