What does “custom” mean when browsing Colt 1911 pistols online?

“Custom” typically refers to 1911 pistols that have been enhanced with features such as upgraded sights, tuned triggers, special finishes, engraving, or unique grips. Some were built or upgraded by factory custom shops, while others may have been customized by gunsmiths or specialty builders, giving buyers options that range from finely engraved showpieces to performance-focused carry or competition pistols. For more information, visit Collectorsfirearms.com/151-colt-custom-1911s/.