Rails for fat gas block

[Barron_1]

Hey guys,

I have a 1st generation POF piston gun that is 16 inch. It has a large gas block that is not covered by the rails. I was hoping someone could tell me where I could find rails that will extend over it or around it. I'm looking to get my reaction side hand farther forward on the gun. The rails on it are the predators that come on POF. I really don't like them, but I need something that will work with that particular piston design. Any help you guys have would be greatly appreciated.

Thanks.