Actually looks pretty decent, I wonder how that cut front effects accuracy as it now effectively gives a crooked muzzle exit.
But, probably not a big deal on a short AR pistol as you most likely are not using that gun to shoot 50 yard chipmunks.
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I wonder. I just cut it off on the bandsaw. Chucked it in the lathe for squaring pretty close. Then sanded on a palm sander and finished with the buffer to remove the sharp edges. About 15 minutes of total time. Ended up about 25 11/16. Being a pistol not worried about flash as it would be large anyway. See what happens. Fun bubba project. Haha.
Looks pretty scary, probably will get AWB points now...:D