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Well as stated, I am working up a development load for my mini 30 with the 123 grain nosler varmageddon polymer tip bullet, and H322 powder. I chose that because I didnt have RL7, OR H4198 around. CCI #200 primer,. So starting at bottom 25 grains which yields 1900 up to, well a compressed load. 1 grain increments. Kept them between 2.205" to 2.210" on the top end, 10 round test ammo, 5 bags, so 50 rounds. Gonna test it soon to see the results. Will update when I do.