About 8 years ago I purchased a new Tikka T3X in 300 wsm. At the time I didn’t reload so I purchased some Winchester Supreme w/150 BT Combined Technologies bullets at just over 3300 fps from the Tikka. I shot a nice buck at 270 yards and at the shot the buck wheeled and ran off up the hill into the woods. I was certain I had made a good shot but was doubting myself. Luckily about 30 minutes later the same buck stepped out at 342 yards and I put another into the base of his neck anchoring him for good. Upon inspection, the first bullet had crushed his left shoulder and the hair around the wound showed the splatter burns of the bullet fragmenting and there was no penetration of the bullet into the body cavity. To my surprise, the 2nd shot at the base of the neck also showed the same splatter burns but there was penetration. The first shot I understand, but the neck shot has always puzzled me. Why, at that distance of 342 yards would a BT blowup on a neck shot? I have used AB since this moment and currently use the 200 AB with great success.