Hornady Full Length Sizing Die

Extending Cartridge Case Life


 

Q: I have read that the life of reloaded cartridge cases can be prolonged by sizing only the necks, instead of resizing the cases full length. Just how much difference in case life does neck-sizing make?

 

Donald Lawrence

 

A: The experience of handloaders differs somewhat in this respect, apparently due to dimensional differences between sizing dies, rifle chambers and the chamber pressures to which the ammo is loaded. However, experiments I carried out have convinced me that case life does not depend upon whether cases are resized full length or not, but rather on the amount of working done to the brass. The only way to obtain long case life in reloading is to use a sizing die which nowhere reduces the case outside dimensions excessively.

 

 

 

 

 


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Nick Harvey

The late Nick Harvey (1931-2024) was one of the world's most experienced and knowledgeable gun writers, a true legend of the business. He wrote about firearms and hunting for about 70 years, published many books and uncounted articles, and travelled the world to hunt and shoot. His reloading manuals are highly sought after, and his knowledge of the subject was unmatched. He was Sporting Shooter's Technical Editor for almost 50 years. His work lives on here as part of his legacy to us all.

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