I weigh and size mine. I use the 8.4/8.5 batch for the competitions
I did a test at 50 yards from a rest and used 8.2/8.3 and 8.6/8.7 batches.
There was an average of 20mm difference in the POI of the two groups (about 20 in each group), so for me it does make a difference.
Last edited by big_phil555; 30th June 2010 at 08:48 AM.