Indeed. The 155 on 12 gr. of Blue Dot is stepping at ~1300 fps. The 135s were SCREAMING. I'm unsure of the actual velocity, but I bet it was around 1400, with no signs of overpressure. I did have some scary looking (signs of splitting) cases, but they had multiple loadings on them, which was foolish of me with such a hot loading.
-Zett