He expected her to lower the gun, but she didn't.
She lowered the gun to her side, still saying nothing.
He lowered the gun and sat, his back against the wall of the house.
He seemed to lower his gun an inch or so.
Finally she lowered the gun and then let it fall to the ground.
The man lowered the gun but didn't put it away.
He lowered the gun but kept it in his hand.
Then he lowered his gun, turned and walked out of the room.
His wife lowered the gun and put the safety on.
She stood still for a moment, then slowly lowered the gun.