---
title: Items with no Caliber Markings
url: https://www.fastbound.com/faq/items-with-no-caliber-markings/
description: "If there is no Caliber marked on the firearm or barrel, enter &#8220;None Marked&#8221; in the A&amp;D Record. Do not leave it blank and do not write N/A.  Per ATF Regulation, information entered into your A&amp;D record and subsequent 4473s should only be what is stamped or marked on the firearm. The information used in&hellip; Continue reading Items with no Caliber Markings"
---

If there is no Caliber marked on the firearm or barrel, enter “None Marked” in the A&D Record. Do not leave it blank and do not write N/A. 

Per ATF Regulation, information entered into your A&D record and subsequent 4473s should only be what is stamped or marked on the firearm. 

The information used in the A&D record should match what is listed on the Form 4473 when the gun is sold.