You can load Herco in the 28ga but it isn't the best as far as patterns in my testing for the 28ga. Unique is far better and most guys love Universal clays. I was not able to beat my patterns with Unique so I never switched to Universal and Unique has been easier to find as well. Herco is Great 1 1/4 to 1 3/8 loads in a 12ga though!Jeff
I have fired in excess of 300,000 rounds of reloaded 28ga ammo. All with Unique. I would love to hear what too hot means! 13 grains of Unique provides 1200 FPS at as low and lower pressure then Universal clays?