Add a Custom Engraved State or Military Seal, Badge or Icon to your New Barrel! GMRB has all fifty State Seals, five Major Military Branches available. Browse the photos for Ideas! If you have your own logo, badge or image, we can adapt your own image for engraving. Typically up to 1" for Bull Barrels, your image of (almost) any kind can be applied to your custom barrel. Call for details.