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Rifles, Reloading, Optics, Equipment
Reloading
170 grain 27 Nosler Retumbo workup
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<blockquote data-quote="DJ Fergus" data-source="post: 2072328" data-attributes="member: 93895"><p>I wish I could help you specifically with That cartridge. Its a fairly new cartridge.</p><p></p><p>Here is load Data for a 28 Nosler with retumbo & a 175 gr partition with retumbo. It's my understanding that capacity of both cartridges are roughly 98 grains h2o. There is .007 difference in bore size between the two. My 7mm rem mag has a capacity of around 82 grains h2o. 71 grains retumbo is near max in my 7mm rem mag with a 162 gr and 70 is near max with a 180 gr in my 7mm rem mag. This chart says 72.3gr retumbo as starting load for a 28 Nosler with a 175 gr. If I were loading a 170 in a 27 Nosler, I would start with around 73 grains of Retumbo and carefully work my way up. Use a magnum primer.</p></blockquote><p></p>
[QUOTE="DJ Fergus, post: 2072328, member: 93895"] I wish I could help you specifically with That cartridge. Its a fairly new cartridge. Here is load Data for a 28 Nosler with retumbo & a 175 gr partition with retumbo. It's my understanding that capacity of both cartridges are roughly 98 grains h2o. There is .007 difference in bore size between the two. My 7mm rem mag has a capacity of around 82 grains h2o. 71 grains retumbo is near max in my 7mm rem mag with a 162 gr and 70 is near max with a 180 gr in my 7mm rem mag. This chart says 72.3gr retumbo as starting load for a 28 Nosler with a 175 gr. If I were loading a 170 in a 27 Nosler, I would start with around 73 grains of Retumbo and carefully work my way up. Use a magnum primer. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
170 grain 27 Nosler Retumbo workup
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