Tested 26.3

The Copper Horse Armor is armor for a horse: put it in the armor slot of a tamed horse's inventory to protect it in fights and falls. Found in the same chests as iron horse armor, it gives 4 armor points. It works like every other horse armor; the Iron Horse Armor page explains how to equip it.
It cannot be crafted; it can be found in chests.
How to craft
This item has no crafting recipe.
How Copper Horse Armor connects
13 links · from the 26.3 game dataUsed with
Where to get it
Loot in structureschance per item drawn
Same family
Tutorials with Copper Horse Armor (1)
Used to craft (1)
Copper Horse Armor · FAQ
How do you get Copper Horse Armor in Minecraft?
It can be found as loot in Nether Fortress, Desert Pyramid, End City, Jungle Pyramid and 2 more.
What is Copper Horse Armor used for in Minecraft?
It protects a tamed horse when placed in its armor slot. It is an ingredient in one recipe: Copper Nugget. Worn by: Horse and Zombie Horse.
Does Copper Horse Armor stack?
No: only one per inventory slot.