I wanted to create a thread where people who are working with this new cartridge can share info about what has been working and not working developing loads for this cartridge.
I recently built a rifle on a Rem 700 action with a 26" International Barrel's 1/8 twist 5R Barrel.
Velocity Data taken with Lab Radar Chronograph
Some Factory ammo data:
Hornady 225 gr. ELD-M
Velocity 2900 FPS Avg with ES around 20 FPS
Hornady 212 gr ELD-X
Velocity 2920 fps Avg. ES 32
My first Handloads were done using the following components
Brass ..... ....Hornday
Primer..........Win Magnum
Powder.........H4831sc 74 Gr.
Bullet ..........212 Hornady ELD-X
Coal............3.636"
Results
Avg Velocity 2918 fps ES 32 SD 16.3
Group sub MOA
No Pressure signs
This load was taken from the Hornady Manual. Posted in this thread as an image