Nice Mark!Published by Marc Steele on September 1, 2022September 1, 2022 The winner! Beautiful roll mark enhances the product. Make Columbia Marking Tools your source for all your ATF required firearms marking machines. email@example.com Categories: FirearmRoll Mark ExamplesRoll Marking Tags: Firearm MarkingRoll Marking Marc Steele Marc has been in the marking business for over 15 years. He provides technical assistance through emails and online chat.