March 25th, 2007

Better Locking Rings for Your Dies

Hornady Sure-Loc Die RingMany die manufacturers use locking rings that require a set-screw to be tightened down on the die threads. That can, eventually, deform the threads. There are some work-arounds, such as placing a piece of plastic between set screw and threads, but there is a better solution. We recommend upgrading your dies with Hornady’s cross-bolt style Sure-Loc Rings. These are made of steel with flats machined in the sides. Here are Sure Loc user reports from MidwayUSA: “Split ring design works better than rings with a set screw that tightens against the die threads. Wrench flats are a big plus–get these rings… and never struggle with your dies again.”-M. Masuda. “All die lock rings should be of the cross bolt design… this ring won’t damage the threads on the die body like factory RCBS and Redding lock rings do.” T. Little. The Hornady Sure-Loc Die Locking ring (mfg. #044000) is available from most major vendors for under $4.00 ($2.99 at

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