I'm looking at cutting back a barrel and silver soldering a flash hider to get to 16". The flash hider will need to add 2.75"-3" to the barrel. Can anyone recommend a 223 based flash hider that would work? It doesn't have to be AR15 specific, as I can have threads cut to match the hider.
I am aware of the CAR-15 styles, but would like something a bit more exotic to try. Maybe an HK53 or G36?