38 SPL HV,
You are sadly mis-informed, or challenged in doing internet searches! You aren't alone, none of the three previous posters took the time to look this up either.
Remington still loads their version of the "FBI Load". Winchester still does too, although production may be seasonal with both makers. I have bought the Remington at Cabela's, and see it every time I have looked during the past year or so.
The old Remington load was catalogued as R-38S12, it has simply been re-packaged under their "High Terminal Performance" line as product RTP-38S12. I have both and have chronographed them side-by-side in the same gun and there was no statistical difference in velocity, 2-3 FPS as I recall.
The Winchester version of the FBI load is catalogue # X38SPD.