I have recently started reloading and am working on .38 Spl. I have a quantity of .357 diameter lead SWC bullets that are lubed I have been loading successfully. They weigh on average about 160 gr., lube included. My question is: I have another batch of about 100 .358 diameter SWC cast bullets that are not lubed and seem to be of some sort of alloy that is harder than the other batch. These bullets came from different sources. These bullets weigh 140 gr. and measure .358 diameter. Do I need to lube and size these bullets or can they be loaded as is? Thanks for your advice.

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