RobS,
I should have listened to you. I tried 16 grains & 17 grains & got squib loads & bullets stuck in the barrel! 16 grains actually sent it further down the barrel than 17! Now I'm thinking 18gr. won't even be enough.On a side note, 7.6 grs. of 700x got good accuracy at 50 yds but only around 820fps(but still with low ES)
I'm puzzled by the squibs. Could using PC'd bullets make them "hard" and be the cause?-Though I'm using them in the 700x loads too & they're not having squibs(although they're slower than I expected)