MR-2000 50.0gr SBS brass Wolf LRP Nosler 155gr Brux 1/11 twist, 30" There was an OCW node at 48.5gr that run 2970fps. I haven't had a chance to chrono the new load at 50.0 gr. Per Dan's guestimate, the next node was very close to 3%. 600 yds, 4 into 3.5", fith shot opened it to 4.5"...