Whats the intention of the rifle?
Competition I'd go Rolling Thunder
Other two up in the air...
Now a nice alternative to the FC556 that I tried and like alot is the Rainier Arms XTC. Rainier Arms Xtreme Tactical Compensator XTC
Same basic properties as the FC556 except all the people I spoke with that have used both say the Rainer XTC controls the muzzle better. It's also only $57 shipped from aimsurplus.com which has all of them for sale at a good price since they offer free shipping.
Its a home defense and fun gun. I know its not very peppy to start with, but a little less recoil is always better. A good tactical brake that has some flash hiding abilites would be good too, I just noticed those first.
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