I use it in my Ruger 223 bolt action, seems to work fine. One thing I found is that a lot of the cases needed trimming after the first firing, so definitely check your case length. I always check every case on the Lyman E-zee gauge (sp?). All the ADI 223 were okay new, probably more than a third were overlength after first firing, necksized only.
From what load development I have done so far, my loads are a bit below listed max but listed starting loads were safe as a starting point (ADI data using AR2208).
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