I've read and posted on pressure problems with Hawk Bullets and Dual Based powders. You stated you were using Re15. This is the first I've heard of destruction with the combination. In three years of internet Shooting BBS I read of this enough to Know not to even use the bullet line. The bullet is a swaged lead slug in a soft copper jacket of varying thickness. Primitive design at premium prices. Not even bonded core.
<br>On the one occasion Hawk finally admitted to pressure probems with the dual based powders and reccommended the single based propellents. Search shooters talk for some info. Some pressure tests would be interesting, to say the least. Caveat Emptor!
