without a hearing. >> now with our law enforcement experts to get a sense of what this means. from a law enforcement perspective, is there any difference between a modified semiautomatic weapon with a bump stock that makes it less automatic s. there any difference between that and an automatic rifle? >> john, in the piece of your viewers just watched, you saw a gentleman on the range with an m-60 machine gun, and it's a belt fed weapon, and then you saw a person using the bump fire stock. the distinction between the two. you will get the rate of fire, 750 to 900 rounds a minute. that's what the subject used in the shooting. here's the insanity. i talked to a number of different fbi firearms instructors that say this, you can buy the bump fire stock, you can install them easily without