I was working up to a little above 3400 where I sometimes shoot Lt32 and 133. It took 28grains of Lt30 to get there in this barrel it gave a noticeable heavier bolt lift at 3410 than 32 or 133 I shot it all that day
2010 lot of 133 lot 10 of Lt32
lot 37 of Lt30
.0015 neck tension shot at touch