[Linked Image] All bullets loaded with TAC POWDER . First round was a 55gr FMJ copper using 25.6 gr tac speed of 2739 fts, Next 3 groups are using powder coated lead first group was loaded with 22.6 grs of tac for speeds of 2700, 2694,2721.Next group using 23.0 grs tac for speeds of 2857,2804,2766,Next group using 23.5 grs tac for speeds of 2818 , 2836 ,2758. all spent brass looked good , no signs of too much pressure. So now I can use these magnum primers .