Erik Cortina
Team Lapua Brux Borden Captain
comagutsa said:new powder time
2208/varget with 105gr berger hybrids at .010 off lands (1st time using hybrids), target at 200m , 6BR, CCI BR4 primers, .272 no turn neck, loaded round 269, using 267 bushing with, .105" free bore, lapua brass
ok these are all 4 shot groups, speeds taken with magneto speed v3, there was a small amount of mirage and slight wind
29.6gr
min 2852
max 2864
avg 2858 SD 5.0
29.8gr
min 2863
max 2878
avg 2872 SD 6.8
30gr
min 2879
max2894
avg 2884 SD 6.8
30.2gr
min 2901
max 2917
avg 2905 SD 7.5
30.4gr
min 2913
max 2918
avg 2916 SD 2
30.6gr
min 2936
max 2945
avg 2939 SD 4.1
30.8gr
min 2953
max 2983
avg 2969 SD 12.6
any help would be great and then i will start seating depth
cheers
Pethy
I think I would load 29.9 gr.