Or

standing up

standing up with the gun in his hands.
CJ plucked it from his fingers. "Naughty boy, Axel. Don't you know that it's ladies first?" She held the weapon awkwardly. "I can see this isn't going to be all fun and games. We could really use a shoulder stock on it."
Lars roared, "Next time we'll put in our order early."
CJ shrugged. Then in a sudden motion she raised the weapon, aimed at the far wall, and pulled the trigger. A single shot produced a trio of violent noises that echoed in the room: first, the sound of the gun firing; second, the sound of the bullet blasting a hole in the ceramic wall; and third, the sound of CJ landing on her back as the recoil knocked her from her feet. "Wow," she said with delight, her enthusiasm unimpaired. "So many guns, so little time."
Lars bent over her. "Perhaps you should let someone built like a Destroyer handle the Destroyer's gun, Boss Lady." He held out his hands. CJ reluctantly handed it over. "Thank you," Lars said with warm mirth.
CJ stood up. "At least we have confirmation, those guns must be shooting depleted-uranium ammo. Couldn't have knocked me down, otherwise."
Axel pointed out the door. "You know, there's another gun just outside."
Roni shook his head. "It's empty. Do we know how to reload these things? Or where to find ammo if we do?"
CJ waved her hands, brushing the questions aside. "Have faith in the Web, guys. If we have the gun, somebody'll figure out how to use it." She glided toward the door.
Roni thrust his hand against her chest. "Just a minute, there, Boss Lady. I'm the recon guy here. And now that hall is a recon objective." Keeping CJ at bay with one hand, he tossed a pyramid through the door into the hall with the other. "You always have to make sure there's no—" A sudden burst of gunfire interrupted Roni's lecture and turned the pyramid into powder. A pair of Destroyers stepped around the corner, weapons trained. The noise of a hail of gunfire rattled