Originally Posted by
thom2
Attached is a target I shot this afternoon using the Hornady 250 gr SST and 100gr of T7. 110 gr of T7 wouldn't group at all.
I can't understand why two shots are high and two are low.
I swabbed the barrel the same way after each shot.
2-split patch (H2O)
1-dry patch
I think I'll weigh the powder for the next round. I believe 100 gr of T7 weighs about 70 grams.
Possibility: #1 was a clean barrel. #2 and #3 look good.
#4 the barrel was warming up and changing poi
just a thought