I am using IMR 4320 in the photo #1 43.4 gn #2 43.6gn, #3 43.8, and #4 44 gn all 5 hoot groups, rifle Rem 700 26ing Rock Creek 5R 1-10 twist barrel , XLR Element chassis, LRA F-tr bipod. Nightforce ATACR scope. Federal brass Winchester WLR primers
Series 3 Shots: 9
Min 2761 Max 2781
Avg 2770 S-D 6.3
ES 20
Series Shot Speed
3 1 2771 ft/s
3 2 2781 ft/s
3 3 2767 ft/s
3 4 2770 ft/s
3 5 2776 ft/s
3 6 2773 ft/s
3 7 2774 ft/s
3 8 2761 ft/s
3 9 2763 ft/s
Series 3 Shots: 9
Min 2761 Max 2781
Avg 2770 S-D 6.3
ES 20
Series Shot Speed
3 1 2771 ft/s
3 2 2781 ft/s
3 3 2767 ft/s
3 4 2770 ft/s
3 5 2776 ft/s
3 6 2773 ft/s
3 7 2774 ft/s
3 8 2761 ft/s
3 9 2763 ft/s