The more crooked it is, the bigger the dispersion will be.īut this isn't an article about gunsmithing. A bullet that isn't straight in the bore will not hit it's target. This helps ensure that the bullet starts its trip down the bore as straight as possible. It is the responsibility of the gunsmith to cut the chamber into the barrel with as much alignment and concentricity with the bore as possible. Be careful and seek help from your gunsmith and reamer maker if you have questions.īarrels come from the factory with no chamber. This article will not give you all of that knowledge - it is just an overview that will start you on the path to full understanding. You must have a proper understanding of the concepts and practices before working with a custom chamber. It is very easy to craft ammunition that is unsafe. Using a custom chamber requires a solid knowledge of advanced reloading practices. But before we discuss the various aspects of chambers, a note on safety. The chamber is the hollowed out area at the back end of the barrel in which the cartridge sits. A close relative to the cartridge case, the chamber is an important feature of your rifle, as it has a significant impact on both safety and accuracy.Ī typical bolt action rifle's barrel is just a one-piece, solid metal tube that gets threaded into the front of the action.
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