Wet phone book testing at 100y.
The M855 penetrated 3.5 water-logged phone-books (about 10-14").
The M193 penetrated 1.9 water-logged phone-books (about 6-8").
The Q3131 tumbled in the latter part of the first phone book while the Q3269 tumbled in the last part of the 2nd phone book.
The Q3131 wound-channel was larger and had a "snowstorm" of partacles in it. The Q3269 was less dramatic but still a healthy amount of damage.
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