I've noticed the trend in the last several years of the 12 ga. lead shot field ammo getting faster and faster with most all manufacturers making 1450fps to 1500fps loads. Most upland hunters love the extra speed and energy. Does anyone offer these faster loadings in a 20 ga.? I only see the old standard 1250fps to 1300fps. You'd think with the advances in smokeless powder technology this would have been a natural.