I've been using Speer 300 grain Uni-cor for a long time and it's my favorite bullet in the 444. My best load is 45.0 gr. Re-7 in Remington cases, CCI 200 primers, and the Lee FCD. Chronographs 2016 fps in my 22 inch barreled Marlin. It's been very accurate in all of my 444's!!!