thought you guys might be interested in this comparison done by a canadian company of some popular flash suppressors and breaks up here.
ht tp://www.youtube.com/watch?v=JSW0b2a7OO4&feature=youtu.be
The guy put his hand in front of the muzzle, I didn’t hear the safety being engaged or the weapon cleared/reloaded 
Wow you aint kidding,his methodology leaves alot to be desired