Ok: 54.0 grains R17, 200 grain Accubomb, Russian primer, avg velocity was 2780.
56.2 grains IMR 4350 produced 2928 fps with 178 ELD-X and the Russian primer. I did not try R26.
57.4 grains of Hunter with the same 178 ELD-X was only 2890 so the 4350 was the faster load with equal accuracy.
25" barrel
