Greetings again Stimpy,
I see that the Blitz king projectiles have a boat tail which needs to be excluded from the seating depth. You may get better results from a flat base of 55 grains. My son wound up using BM8208 in his 22-250 with excellent results. I looked in my Tikka hand books to find your rifle likely has a 1 in 14 inch twist which may limit your projectile choice to not much more than 55 grain projectiles. Others may have practical experience here. Shooting to see as you propose is always a good idea. No sense in rushing of to fix a problem that may not actually exist.
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