He swung an arm out to the right, then his gun hand to the left.

"And a good gun hand is always hard to find."

He was too late to hook the door frame with a gun hand.

His gun hand had been ready, in case the cause went wrong.

It was easier for him to get his gun hand free, which he did in effective fashion.

He stayed on their right, keeping I his gun hand free.

His gun hand was up by this time, and Joe didn't hesitate.

His gun hand was no more than a few inches ahead of him.

I moved to a corner of the building that would give me a rest for my gun hand.

I'd have to grab his gun hand with both of my hands and force it up.