I had a similar 25-30 fps drop when shooting some 103 eldx's groups with the new brass.
This could be just the effect from using new brass, some energy needed to stretch it. I plan to shoot them again as 1x fired's - think the MV's will come back to what I saw in my ladders (which were all either 1x or 2x brass at the time).
This could be just the effect from using new brass, some energy needed to stretch it. I plan to shoot them again as 1x fired's - think the MV's will come back to what I saw in my ladders (which were all either 1x or 2x brass at the time).