Originally Posted by
obed_ned
lot of people seem to be missing the point of this post. I have a M4 that I built ( see post above) that has all the bells and whistles.
My point was should I modify the 6920 or leave it stock.
As far as why cut anything, here are the instructions from Midwest Industries the FF rail mfg-
"Using a dremel tool, split the aluminum delta ringby cutting from stock to muzzle end. Only cut cut the aluminum delta ring, do not cut the steel barrel nut."
So I guess there are a lot of 'experts' on this forum that know a lot more than the company that made the rail. It must be great to be so smart.