I've used 44/200, 44/240, 44/300, 45/230, 45/250, and 45/300 XTP's in my M/L over the decade. Recovered a few and they all were perfect mushrooms. I finally settled on the 45/300 just because I found them to be more accurate and almost always get a passthrough. I shoot 240's in my Redhawk 44 Mag.