Had to cut the first post down, wouldn't post because it was too big. Here is the chronograph data.
First string
Second string
Created: 07/15/20 11:50
Trashy
I included that photo of the brass, all the primers are flat (no rounded edges). There are also some that have what looks to me like ejector swipes. Second opinions?
Trashy
First string
Created: 07/15/20 11:03
Description: 6 mm ARC
Notes 1: Hornady Black 105 gr. BTHP
Notes 2: 84 degrees, 18 mph wind from 8 o'clock
Distance to Chrono(FT): 12.00
Ballistic Coefficient: 0.530
Bullet Weight(gr): 105.00
Altitude: 512.00
# FPS FT-LBS PF
10 2651 1638.79 278.36
9 2710 1712.55 284.55
8 2648 1635.09 278.04
7 2726 1732.83 286.23
6 2628 1610.48 275.94
5 2680 1674.84 281.40
4 2697 1696.16 283.18
3 2690 1687.37 282.45
2 2671 1663.61 280.45
1 2743 1754.51 288.02
Average: 2684.4 FPS
SD: 36.3 FPS
Min: 2628 FPS
Max: 2743 FPS
Spread: 115 FPS
True MV: 2689 FPS
Second string
Created: 07/15/20 11:50
Description: 6 mm ARC
Notes 1: Hornady Black 105 gr. BTHP
Notes 2: 88 degrees, wind 21 mph from 8 o'clock
Distance to Chrono(FT): 12.00
Ballistic Coefficient: 0.530
Bullet Weight(gr): 105.00
Altitude: 512.00
# FPS FT-LBS PF
10 2644 1630.15 277.62
9 2641 1626.45 277.30
8 2707 1708.76 284.23
7 2700 1699.93 283.50
6 2697 1696.16 283.18
5 2697 1696.16 283.18
4 2700 1699.93 283.50
3 2707 1708.76 284.23
2 2694 1692.39 282.87
1 2674 1667.35 280.77
Average: 2686.1 FPS
SD: 24.7 FPS
Min: 2641 FPS
Max: 2707 FPS
Spread: 66 FPS
True MV: 2691 FPS
Trashy
I included that photo of the brass, all the primers are flat (no rounded edges). There are also some that have what looks to me like ejector swipes. Second opinions?
Trashy