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Rifles, Reloading, Optics, Equipment
Reloading
Most brass too short. Trim them all?
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<blockquote data-quote="J E Custom" data-source="post: 1390841" data-attributes="member: 2736"><p>I dealt with case length for years before all Of these nice Reloader tools were available. Originally I used the Cerrosafe method to measure case/neck length in my chambers. It was the best method at the time and most people could use it if they followed the instructions. It gave good results but it was not very precise. Later I tried the commercial case length gauges but they were ground to SAMME specifications and did not represent the actual chamber of the rifle so I had to trim to make sure it was not to long.</p><p></p><p>Now that I build my own rifles, I have found that If I use the same reamer that was used for the barrel and a piece of the same barrel (Drop off) to cut a partial chamber just long enough to have 1/2 " of the case body. the shoulder and the neck it makes a perfect chamber gauge to trim by because it is an exact copy of my chamber. I simply machine the excess off the end until it is flush with the case neck chamber and this gives me an exact measuring tool based on "My" chamber. I can use a depth micrometer to measure the exact case length using the top of the gauge.</p><p></p><p>I will try to get a picture posted of the tool to show how it works for a specific chamber.</p><p></p><p>Knowing what your chamber actually Is more important than any SAMME trim length because it can keep you out of trouble.</p><p></p><p>Just more information for the post.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1390841, member: 2736"] I dealt with case length for years before all Of these nice Reloader tools were available. Originally I used the Cerrosafe method to measure case/neck length in my chambers. It was the best method at the time and most people could use it if they followed the instructions. It gave good results but it was not very precise. Later I tried the commercial case length gauges but they were ground to SAMME specifications and did not represent the actual chamber of the rifle so I had to trim to make sure it was not to long. Now that I build my own rifles, I have found that If I use the same reamer that was used for the barrel and a piece of the same barrel (Drop off) to cut a partial chamber just long enough to have 1/2 " of the case body. the shoulder and the neck it makes a perfect chamber gauge to trim by because it is an exact copy of my chamber. I simply machine the excess off the end until it is flush with the case neck chamber and this gives me an exact measuring tool based on "My" chamber. I can use a depth micrometer to measure the exact case length using the top of the gauge. I will try to get a picture posted of the tool to show how it works for a specific chamber. Knowing what your chamber actually Is more important than any SAMME trim length because it can keep you out of trouble. Just more information for the post. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Most brass too short. Trim them all?
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