Eliminate uncertainty regarding your primer pockets with the Swage Gage primer pocket gauge. Similar to how gunsmiths utilize go and no-go gauges to measure chamber tolerances, you can now achieve this level of precision in your reloading process with the Swage Gage primer pocket gauge. If you have ever questioned whether you are adequately swaging or chamfering to completely remove a military primer crimp or if a primer pocket is too loose to securely hold a primer, this tool provides the answers. Originally developed as a prototype for personal use in brass processing, this tool offers a quick and reliable method for measuring primer pockets without the need to waste a primer. It has become an essential tool, eliminating the previous uncertainty and guesswork. It is particularly beneficial for precision reloaders who require assurance in their reloads and for Dillon 1050 users who need to verify the proper setup of their auto-swage system. Simply seating a primer in a piece of brass does not always provide a complete picture, as primers can vary in size and are not precision instruments.

The go side of this gauge efficiently assesses primer pocket depth, verifies complete crimp removal and evaluates primer pocket tightness
If the go side feels loose, utilize the no-go side of the tool to determine if the primer pocket is excessively loose to securely hold a primer
If the no-go gauge fits into the pocket, it indicates that the brass should be discarded to prevent the issues associated with a missing primer
This gauge is designed for compatibility with both large pistol and large rifle primer pockets, ensuring precise measurement and optimal performance across a range of firearm calibers

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