Black tip AP. You can run, but you can't hide. I took apart a chevy 348 truck motor with one clip. And I mean. "took it apart". Crank journals, check, cylinder heads, check, crankshaft web (4 bolt mains check. Broke the engine block (with heads still attached) into about 6 pieces. Tungsten carbide penetrator of around 22 caliber hard enough to use as a center punch for an entire career at the work bench.
Have to be careful using pulled bullets in .308/7.62 loads as they'll bend the op rod on your M1A if just slightly hot. Best start around 38gr of IMR 4895 and work up or down as it's a very narrow window.
But, I gare on tee, it's the fucking shit. There's no body armor on earth that can take it. When that stick stacks up to your door at 5am, you can count on the first 3 or 4 going down with the first shot. Get some. Get some. Come get some. With your two two tree. Clowns meet men.