I tried out the 300gr Nosler MZ with 100 grains blackhorn209 out of my Strikerfire at 50 yards. Awesome mushroom and the copper jacket IS a true jacket as it is very thick and peels back like a barnes.
Recovery weight is so so. Sand is tougher than flesh but gives you a decent idea. Next time I can use a wetter sand which should give more realistic results.
143 grains main body weight, add in the fragments I found around the bullet and it totals 220 grains.
The copper jacket though is very impressive, especially for the cheap price of the bullets.