I'm a native english speaker and I think you're mistaken. Both are correct. "Wear a gun" is less common but carries an important distinction. I like this usage

I'm a native english speaker and I think you're mistaken. Both are correct. "Wear a gun" is less common but carries an important distinction. I like this usage right here: > A gun holster is an accessory which is designed to allow someone to wear a gun on his or her body. https://www.wise-geek.com/what-is-a-gun-holster.htm https://www.wise-geek.com/what-is-a-gun-holster.htm