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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
SAFETY REMINDER!!!
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<blockquote data-quote="HaroldNRAEndowment" data-source="post: 2212205" data-attributes="member: 111610"><p>Expanding on response from Lyle2231, there used to be, 20-30 years ago, quite a large amount of published data about using a filler to take up space. They used the term fiber-fill(pillow stuffing) which is a fluffy polyester. One thing to note, for accuracy, one has to make a trial with one cartridge to determine how much to use. Then remove it and make sure there is no powder embedded in it. Then with a precision scale measure the weight of the fiber-fill, for this is part of the mass being pushed out the barrel. Then work on tearing out pieces of the fiber-fill from the source to match weights of balls of the fiberfill. Once the weight is determined, keep in mind the load data is based on a specific bullet mass. Having an effective larger mass being pushed down the barrel, be aware the load data will actually be based on a lighter mass being pushed out the barrel.</p><p>The subject is both accuracy and safety.</p><p>Best Regards</p></blockquote><p></p>
[QUOTE="HaroldNRAEndowment, post: 2212205, member: 111610"] Expanding on response from Lyle2231, there used to be, 20-30 years ago, quite a large amount of published data about using a filler to take up space. They used the term fiber-fill(pillow stuffing) which is a fluffy polyester. One thing to note, for accuracy, one has to make a trial with one cartridge to determine how much to use. Then remove it and make sure there is no powder embedded in it. Then with a precision scale measure the weight of the fiber-fill, for this is part of the mass being pushed out the barrel. Then work on tearing out pieces of the fiber-fill from the source to match weights of balls of the fiberfill. Once the weight is determined, keep in mind the load data is based on a specific bullet mass. Having an effective larger mass being pushed down the barrel, be aware the load data will actually be based on a lighter mass being pushed out the barrel. The subject is both accuracy and safety. Best Regards [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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