Kind of gun it is, is that it is a crappy gun because it blew apart after six rounds. but this kind of thing probably wouldn't stay a crappy gun for long, that is what i said the day we broadcast that on december 17th, which was three days after newtown. this week, the folks that 3-d-printed the receiver, the one that failed, the one i called the crappy gun. look at it this week, they unveiled this one, it with stood more than 660 rounds of high velocity bullets, that holds dozens of bullets. they only stopped firing with what they said was their 3-d home-printer. they claim this lower receive...