I bought a 20 round bag of 6.53 rimmed Dutch ammo yesterday at a gun show. Everything looked good at the time, converted 303 cases. On bringing them home and comparing them to existing Dutch rounds the necks on these are set back a bit, maybe a 32nd of an inch. As it is a rimmed case and the rim creates the head space I assume this is not an issue and they will fire form to the correct dimension. Is this correct? Or do I need to pull bullets and fire form them without the additional pressure of the bullet?
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