Quote Originally Posted by Old Coot View Post
Science. "Rocket science". Not surgery. You must be older than me. Brownell's customer service will call me next week, their service rep told me. Typed my letter to Colt. Mailing in Monday. Have better pics but reached upload limit here.

I understand modifying feed ramps. But these barrels were sold as "new" with no mention of aftermarked mods. ATF will most likely soon classify barrels and more as firearms. Prices will go up and supply become short, accordingly. Trying to beat the ban here. Stone ground ramps throwing a big wrench into my acquisition plans.
Old Coot - you haven't been around M4C very long. There is a sort of cognitive dissonance that sets in here, and on most other forums, when someone criticizes a favorite brand.

If that barrel had been produced by another manufacturer the basic response would be to cram it up their (the manufacturer's) rear.

Myself, I wouldn't be too concerned, but I understand your point of view.