This AR15 mud test was performed right after last week's AK47 test: the same exact mud, the same wheelbarrow, at the same location, a mere 10 minutes later.
Specifics on the AR:
Frankengun. BCM upper, Spike's Tactical BCG, USGI FCG, GWACS lower.
If you have not already seen the Ak47 video, you'll find it here:
We did this test again with a Vietnam era Colt SP1 here:
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