I'm running a tikka 7mm RM 24" varmint barrel. The load I run is 70g 2217, 162 amax seated at mag length. Gives me 2950fps shooting 0.6 moa.
I have used 68g of 2213sc which gives me the same velocity and less muzzle flash, but the groups open up to 1 moa.
I have pushed the 2217 up to 72g, which lifts velocity up to 3080, but the 70g load is hot enough for what I want, and hopefully everything should last a bit longer
I'm onto my 7th reload in some of my brass, so its lasting ok.
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