It kills me to say this- BUT I too recently got a SL8-6, and I ended up going with the UTG lowpro rail from HKParts. I bought a G36 rail with irons, but my scope hits the irons, so for $60, that UTG rail actually isnt bad, and it KILLS me to put UTG stuff on a Hk rifle. But for the price, it fits like the factory ones, and if I ever take the scope off and put it back on my AR, I can use the G36 rail with irons.