49-50 grns W760 should get you close to 2900. BLC-2 and CFE223 should too. Ive used them all and currently using CFE223 for 3k from 18" (120 grn). You can interchange BLC-2 and CFE223. 120 grn Sierra is a good bullet but so is the 130 Speer.
I can give you some BLC-2 and W760 to try if you want. PM me if you do.
BLC-2 gives me 2800 from the 18" barrel with 140 Berger.
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