Maynard G. Krebbs wrote:
Dirt wasn't the real problem. The Government/Military brass decided
to use up a bunch of powder they had laying around and after testing
were warned by Colt the rifle would have a high rate of jamming with
the powder the military chose to use.
Guess who won the argument? LOL

Ah, so.... never heard that before but I'd believe it. I've gotten the
impression, though, that the Mk 1 M-16 still jams a lot with any ammo.
That .223 blunt stuff is terrible anyway. For a while I had a .270 and
fired a lot of saboted .223 out of it, that worked OK. Ballistics is not
an exact science

DSK