Pepper is clearly blushing even if she shakes it off after a moment when Black Hawk sits down next to her. "Thanks, 'Hawk. I've got my other arm right here, but this is the frame and this is the Colt carbine that's gonna go into it..." she goes on at length showing her the 'ropes' and basics of the construction, really getting into it.

It would take an army of brigands to distract her now...