Reply with quote #9
tjohn, I'm shooting 39.3 Gr's of H-4350, cci-450 primers, Lapua Brass and the bergers are seated .025 into the rifeling.
Reply with quote #10
At Peidmont gun club in NC & Oak Ridge, TN IBS 600 benchrest, on a good weather day, it will take a 2.0" or better 4 target agg to win group and mid 190's to win score. I think a record HG group agg 1.4" was set this year. Score HG record was set a few weeks ago 197. Look up match results on IBS website, you will see what is winning at al IBS matches.
Reply with quote #11
At our club in Ojai, things have tightened up over the last couple of years. Most decent guns are capable of 3" at 600 yards. The better guns are going sub-2" in good conditions with vertical approaching 1". The guns with tight vertical are 6BRs, BRX, 6-6.5x47, 6.5x47, .308 Win.