I was pleased with the 129 SST, shot Sub-MOA with 26g of 8208. If I discard the largest group and I don't know what happened there, most likely operator error but otherwise I averaged 1.108.
Bullet - Hornady 129 SST
Powder - 8208
Charge Weight - 25.4, 25.7, 26, 26.3, 26.6
Case - AA(Lapua)
Primer - CCI 450
COL - 2.255
Barrel
Chamber - Grendel
Make - Liberty/Satrun
Length - 18"
Twist - 1-8
Average Group Size in MOA
Distance - 100yds
Largest Group Size - 3.269
Smallest Group Size - .944
Number of shots per group - 5
Temperature - 65 degrees
Humidity - 80%
Wind - 5-10mph @ 7 o-clock
Bullet - Hornady 129 SST
Powder - 8208
Charge Weight - 25.4, 25.7, 26, 26.3, 26.6
Case - AA(Lapua)
Primer - CCI 450
COL - 2.255
Barrel
Chamber - Grendel
Make - Liberty/Satrun
Length - 18"
Twist - 1-8
Average Group Size in MOA
Distance - 100yds
Largest Group Size - 3.269
Smallest Group Size - .944
Number of shots per group - 5
Temperature - 65 degrees
Humidity - 80%
Wind - 5-10mph @ 7 o-clock
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