Proper head spacing and maintaining it from barrel to barrel also helps the reloader greatly. We also work tightly with premium action makers to maintain the quality of our pre-fit barrels to their actions. We set our pre-fit barrels headspace off these measurements provided by the action makers and measurements are also verified in house. Therefore, it is super important to use action companies that maintain their action face to bolt face measurements to very tight tolerances. This is always referenced and built exactly into a “go” gauge by quality tool makers for gunsmiths and barrel makers to reference their work to specific cartridge design. Headspace on a rimless cartridge is the measurement from the face of the bolt to the datum measurement on the shoulder were the cartridge had its datum measurement designed. These actions I will be talking about are made by true craftsmen that are also precision minded and test the quality of their products. You might ask why is this? It is because we do the research on the actions that hold tolerances and have the metallurgy “hardness” to handle repeated barrel replacements. Pre-fit barrels from our shop work as well as any barrel we do with the action in hand. Let me discuss these factors in more detail and talk about actions we have chosen to pre-fit barrels too. The hardness of the steel, action head spacing, and timed threads. There are three main factors for choosing actions to pre-fit barrels too. As a precision-minded gunsmith, firearms business owner, and competitive shooter, I know why precision pre-fit barrels and precision-made actions are a great value to the marksmen who choose to do business with us. High-volume shooters require sources for precision barrel work.
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