First groups with the new brake
I got to shoot at 260 yards today in the late afternoon. It was windy and intermittent rain.
I had raised my shooting box and bench to better clear the deck railing and allow me to put the chrony on the deck railing.
I also altered the glass bedding today, and put in a different spring, so I really broke the cardnal rule of doing one mod at a time and see how it works.
The new muzzle break.
I was shooting the 257420 HP dropping at 71.5 grains weighed to +or- .1 grain, shot unsized and lubed with Traxx Silicone oil 10 wt, PSI was at 3500 PSI and I was getting 1100 FPS.
I shot from the bipod with no rear rest while standing for this .82 MOA group.

This .50 MOA group was fired from the bipod, standing with the Caldwell range bag under the heel.
Had a good day.
Regards,
Roachcreek
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What? Your not supposed to dremel the lead? OOp’s