I've used both IMR 4166 and 4451 in my iron sighted, 760 Remington. Both work quite well. They meter better than do 4064 and 4350.
Accuracy with the Barnes 80 gr. TTSX was outstanding, 1.3 inches at 100 ys. w/ 46-47 grs. of 4451. E

Last edited by Oheremicus; 11/20/15.