RTB is now offering 80% lower receivers pre-engraved with whatever serial number and manufacturer information you want. This 80% lower will be engraved much deeper than the ATF required .003" depth. We typically engrave to a depth of .01" and you will need to fill out the following information in the text boxes above:
PLEASE NOTE: We are not lawyers and we do not keep up with your local or state laws. The information above is only provided as a general reference. It is the responsibility of the manufacturer to do their due diligence and make sure they are staying in compliance with local and state laws. Laws are updated and changed often; make sure you are up to date. We cannot and will not provide any legal advice as we are not lawyers.
Cerro 80% Lower Specs: