Heston said he doesn't like them but doesn't want them banned. Anything else is putting words in his mouth.
Heston:
"AK-47's are inappropriate for private ownership, of course."
...
"I just got through telling you. The possession - private possession of AK-47's is entirely inappropriate."
...
"Well, for any certain time, AK-47"s are entirely inappropriate for private ownership..."
DATE May 6, 1997
TIME 8:00 - 9:00 AM (PT)
STATION KGO-AM (ABC)
http://vikingphoenix.com/news/stn/1997/pirn9711.htm