If simply going for a flash hider...take a hard look at the Vortex. I suspect they probably make one for to fit the thread pitch of the FAL (do you know if it's 5/8x24?...I suspect not).

Yes, TTSX's. Animals hate them laugh Thus far performance, both impact and precision, validated up to 450yds in my little 18" barreled rifle.

JYD #121
The chief cause of unhappiness and failure is trading what you want most in life for what you want at the moment.