Regarding a volume comparison of the powders;
100 grain weight of GOEX FFg fills my TC U-View powder measure to the 110 grain volume mark.
100 grain weight of Swiss FFg fills my TC U-View powder measure to the 105 grain volume mark.
100 grain weight of GOEX FFFg fills my TC U-View powder measure to the 109 grain volume mark.
100 grain weight of Swiss FFFg fills my TC U-View powder measure to the 102 grain volume mark.
The powder was weighed on an electronic scale, poured into the U-View measure and the measure tapped several times to settle the powder.