Originally Posted by tinbum Is there a known compatibility issue with Sellier & Bellot .44 magnum cases and Federal large pistol primers? All my other cases load fine, but the S&B crumple as they go in, if they go in at all? This will lead to another thread dreckly....... [IMG][/IMG] Have a read here https://castboolits.gunloads.com/sho...-B-44Mag-Brass
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