Finalised my load development with my Christensen Arms Mesa Titanium today.
Landed on 56grn of AR2213sc with a ELD-M 147gr loaded to just below magazine length. ADG Brass. 22" Barrel.
2946FPS Average. No pressure signs. Groups around 0.4-0.6" @ 100m.
This load is 1.5gr above the Hornady data (for H4831 - same powder) maximum so use with caution. I reached pressure signs (ejector mark and stiffening bolt lift) around 58grn.
I toyed with the idea of buying some AR2225 or AR2217 but decided to stick with this powder and happy with the velocities and accuracy attained.
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