I've had the same thought.. I would happily do the buy it now to get my hands on it, but don't want the add to go away.
Also, a million Guncoin is quite a milestone. Once you pass it, enjoy it!
Yes, if you have traded or inherited any older firearms, converting them to GUNCOIN is the fastest way to build up a pretty full wallet. FYI, have had 3-4 retweets of the Glock ad on Twitter so far this morning....