Howdy boys, I got a koraynovich arms saiga conversion, and Ive noticed there seems to be an extra hole on bottom reciever by the handguards, anyone else have this on a converted saiga or know why it might be there? and what i should do about it lol heres link with picture I couldnt get it to upload on here some reason

http://i.imgur.com/VRdZO.jpg