Well, I was considering that extreme environments such as rain and freezing cold, or desert heat would [i]also[/i] drain stamina.
-As would holding [url=https://www.youtube.com/watch?v=X4nfZu8VqgQ]a pair of 20 pound firearms at-ready for prolonged periods.[/url]
-I was under the impression that she'd be detected if she fired under almost any circumstance, considering her loadout.
-The main point was she couldn't activate it while people are looking at her. [Mystery-Men: Mr. Invisible]

So those are agreeable.

-re-words weapon skills for machine-guns and grenade-launchers

-Working on sample-post (setting up an ambush in an alleyway), just as soon as I finished getting packed... kinda have ideas for remote-placed grenade launchers involving a slip-hitch and some rubber-bands...

Edit: sample post up. Usually my posts span 15 to 30 seconds of action each, the sample had to cover an entire 5 minute firefight.
[i]~It is remarkable how much could happen in as little as fifteen seconds.[/i]