One of them caught his gun arm and pushed it down.
His gun arm is still free, but a couple more wireheads sit on that.
He had gained a grip upon his opponent's gun arm.
The first shot had smashed the other's gun arm.
Far ahead was an image of Neddi's back as she followed me, her gun arm raised.
The second bullet found the next man's gun arm.
He got out and walked over, gun arm first.
The Shadow's gun arm was wide, but his free hand hooked the handle of the door.
The man's gun arm snapped, as if he was throwing the weapon.
She got hold of his gun arm with both hands and bit into his wrist.