Hello, new to the forum, was glad to see info on these bullets and powders....tried TAC with these , from 24.0 to 25.0grs. These were fired at 100, cloudy, around 65 degrees. Ar home build with Faxon 16" pencil bbl, 3x9 Zeiss Conquest scope.....Bought 500 of these bullets, will order more monday...