so the PSD case..thats milserp (so smaller cpacity)which you already know...24.5grns AR2206h behind a 50-55grn pill has been my go to load for years....your projectile is a shit load heavier than that so if its not a hot load persay its definately getting warm. I see slight primer flow around pin in both first and second photo...might be contributing factor..might not too.
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