A gun shield is like a big, heavy shield that protects a person who is holding a gun. Think of it like a turtle shell that keeps the turtle safe from harm. The gun shield is made of strong materials like metal or bulletproof glass and covers most of the person's body, except their arms and head.
When someone is using a gun shield, they can hide behind it while shooting their gun. This makes it harder for the other person to shoot them. The gun shield also helps to keep the person using the gun safe from things like bullets and shrapnel.
People who use gun shields are often police officers or members of the military who need extra protection while they are out in the field. Sometimes, they might use the gun shield when they are trying to arrest someone who is dangerous.
In summary, a gun shield is a shield made of strong materials that protects someone who is using a gun. It helps keep them safe from harm while they are in dangerous situations.