An example would be these bench blocks which not only support a workpiece but also have cutouts specific to firearms to make life easier.
TFB Armorer's Bench: Closer Look– Strike Industries Adjustable Gas BlockThe Firearm Blog
AR-15 – Ultimate Reloader
Wheeler Universal Bench Block Review and Use - Colt 1911 + 10/22 and more - Gunsmithing Tool
TFB Armorer's Bench: Closer Look - Wheeler Bench BlocksThe Firearm Blog
TFB Armorer's Bench: 2022 TFB Armorer's Bench Wrap UpThe Firearm Blog
TFB Armorer's Bench: Education on Bluing Types & Processes – Part 1The Firearm Blog
AR-15 – Ultimate Reloader
Guns – The Armourers Bench
TFB Armorer's Bench: Closer Look – Wheeler Armorer's Pistol Sight ToolThe Firearm Blog