Trying for clarity here, not an argument...
Quote:
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Originally Posted by wncchester
Part of handloading is to custom make our cartridges as needed for our firearm and that includes sizing to perfectly fit our own chamber...
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Which is fine for bolt-action rifles, lever guns and most single-shots.
However, there is a school of thought which suggests SAAMI minimum for gas guns, especially the Garand. Chambering without resistance is the goal, and this takes priority over extended brass life. So, "perfectly fit" may mean a -0.004" bump instead of the customary -0.002", if the rifle is a gas-operated semiauto.