Finally made it to the range with my 6BR today. Brand new 26" Bartlein M24 1:7 twist, virgin Lapua brass, CCI BR4, 105gr Hybrid .020 off lands, loaded with Varget. Best groups were at 28.5gr, 30.2gr, and 30.4gr.
26.5gr-2460,2460,2455,2457,2491 AVG 2464 SD 14.8
27gr-2500,2490,2506,2498,2490 AVG 2496 SD 6.9
27.5gr-2538,2540,2544,2545,2534 AVG 2540 SD 4.4
28gr-2594,2592,2577,2590,2589 AVG 2588 SD 6.6
28.5-2631,2620,2613,2633,2629 AVG 2625 SD 8.4
29gr-2698,2678,2671,2667,2665 AVG 2675 SD 13.3
29.5gr-2727,2708,2716,2723,2705 AVG 2715 SD 9.4
30gr-2765,2755,2770,2749,2773 AVG 2762 SD 10.1
30.2gr-2782,2765,2780,2784,2778 AVG 2777 SD 7.5
30.4gr-2797,2806,2809,2804,2796 AVG 2802 SD 5.6