These are NOT FFL items and until they are milled out are nothing more than a paperweight. Returns can not be accepted for any reason with even the slightest modification to one. You purchase this product with the full understanding of the work required to be done which includes milling out the fire control pocket and drilling the appropriate holes. The shelf is milled at the rear takedown pin hole. Rocky Canyon Armory is not liable for any misuse of this product or for any work done to it.