I wondering if Re#17 might not be the best choice of powder for a 6x284 shooting a 87gr V-max out of 30" bbl. 49.3 grs pushed the V-max 3670 fps 50grs produced a brite shinny ejector mark on the Lapua case and expanded the primer pocket destroying the case. maybe I should burn Re#19 0r #22 H4831, Any suggestions ?