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Rifles, Reloading, Optics, Equipment
Reloading
Norma brass 300wm
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<blockquote data-quote="Greyfox" data-source="post: 808079" data-attributes="member: 10291"><p>I just measured the capacity of the Winchester and Norma, new, unfurled cases using Retumbo powder filled to the mouth. The Norma case is 88.3gr, the Winchester is 83.4gr. The Norma holds 4.9 gr more powder. This is likely where your velocity went. As mentioned, the Norma case is dimensionally fatter.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 808079, member: 10291"] I just measured the capacity of the Winchester and Norma, new, unfurled cases using Retumbo powder filled to the mouth. The Norma case is 88.3gr, the Winchester is 83.4gr. The Norma holds 4.9 gr more powder. This is likely where your velocity went. As mentioned, the Norma case is dimensionally fatter. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Norma brass 300wm
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