Yes, you should expect 1/2 inch with hand loads and 1 inch with premium factory loads. Normally my factory barrels settle down after about 80 shots. I then find I get my best groups after about 5-8 fouling shots after cleaning. I don't worry about copper fouling and only clean carbon, etc. after accuracy falls off around 60 to 100 firings.
You might want to double check that your scope mounts and rings are tight and your action screws are snug.
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