The "assault weapon*" banning crowd's obsession with 'flash hiders' is something I never understood. There's no real official difference between a "flash hider" and a "muzzle brake". During the ban era, it was common to silver solder a washer-thickness slice of rifle barrel into the end of an M16 bird cage flash hider, et voilà! She is now a muzzle brake!
For that matter, I'm pretty sure that the other team doesn't get what a flash hider does in the first place. Believe me, the guys with the guns pointed at them will still see some flash, at least briefly.
Every time some civvie-oriented site or magazine does a flash hider
effectiveness comparison, I have to shake my head and wonder "How is this ever going to apply to anything I am likely to use my carbine for?"
Why not rank them on important factors, like how cool they look on the
end of my gun, which one comes with the coolest manufacturer's logo
stickers, and which one is currently fashionable and will inspire the most approving nods and make me
look 'switched on' to my fellow MOLLE-encrusted students at my next
*Now there's a tautology: If you assault somebody with it, it's a weapon. If it's a weapon, it's more or less designed to be useful for assaulting people.