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  1. Magnum Rifle Primers Question

    The Ammo & Reloading Forum
    Hey, I am new to reloading, and I wanted some insight on a mistake I made. I loaded a batch of .243 Winchester with: 41.0 gr of IMR 4831 Hornady 100 gr BTSP Winchester Brass (new) But I accidentally loaded them with magnum primers (CCI #250). (I'm stupid, I know.) Will these be safe to use in...
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