[Tree of Liberty]

Yeah. The water isn't so much of a concern, since all the mags I've seen have a few holes, so it would just drain through. Dirt's another matter, and the M-4 has fairly tight tolerances.

[Byron_the_Aussie]

..dirt's another matter, and the M-4 has fairly tight tolerances...

Yep. I was wondering about that factor, while the sandstorm was happening.