Try the Spear 200 grain I had good accuracy with them in my 8x57 load was 40.00 grains 2206H, the lighter and shorter projectiles don't shoot as well
mainly because the throats are cut long for the heavy military projectiles, the Germans originally loaded a 227 grain RN then a 153 grain spitzer and a 198 grain spitzer
for machine-gun use, the only military ammo I have used is the 198 grain British loaded for their Breda machine guns it is very accurate but has heavy recoil,
most sporting projectiles will expand at 1800 fps so you should be ok at 2200-2300fps, you could go to cast bullets they will expand at 1500fps good accuracy
is at 1800 +fps.
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