After looking at examples of others on the web, I decided to give it a "shot" myself. Don't worry, I bought a $17 surplus cover for the project rather than mess with my original IMI cover. I'm trying different sections of Magpul rails now that I actually managed to drill a mounting hole through the hardened steel of the cover. Without a drill press, it took me about an hour and 3 drill bits, but I got 'er done!
Besides the super hard steel of the top cover, the other challenge is mounting a rail section that is big enough for a micro red dot, but not so big that the charging handle cover is impeaded from going all the way back. Also you have to make sure the bolt carrier inside doesn't hit the bottom of the mounting screw, and that you can still access the button in front of the rear sight that releases the top cover. I'd like to keep the rail low profile in case I need to use the irons without it. A co-witness would be nice, but probably not realistic. Once I figure out what works best, I'll repaint the cover to match the rest of the IMI finish. Still a work in progress, but I'll update the thread once it's all done and I've found an optic that works best.







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