Greetings,
I went down this road a very long time ago with my .308. While I could get decent accuracy from the 100 grain plinker and 110 grain varminter projectiles they shot a long way away from my 150 grain load. These were the days before dial up scopes. For projectiles to shoot dead on at 100 from a 200 yard zero I found that reducing the charge by 2 grains from my hunting loads did the trick. Later on I started using some of the 155 grain plated Frontier projectiles with reduced loads of AR2206H for practice and short range target. These are probably as cheap as your pistol projectiles. My load of 38 grains of AR2206H chronographs around 2,350 fps but do shoot a lot lower than full power hunting loads. The light projectiles will be stable in your likely 1 in 10 twist but may not shoot that well if the rifle has a long or large dia throat, possibly both.
Regards Grandpamac.
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