User blog comment:ReyesRebels/Nikita Dragovich Vs. Goldfinger/@comment-3166030-20110202041733/@comment-2016768-20110202174327

AR7 isn't an MP40 at all. According to Wikipedia it is: a semi-automatic .22 cal rifle developed from the AR-5 adopted by the US Air Force as a pilot and aircrew survival weapon."

That won't tread any water against an AK47, no siree.

Check it out here: http://en.wikipedia.org/wiki/AR-7