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Rifles, Reloading, Optics, Equipment
Reloading
help with pressure signs, loads below book minimum
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<blockquote data-quote="climb-101" data-source="post: 1284622" data-attributes="member: 31921"><p>the 2580 ft/sec velocity was the 80 g h1000. i know all rifles act different, i just figured something was off that i was missing it and couldn't figure out. that interesting that they show 2500-2600 as max velocity because in the sierra book it's about the middle velocity ( i know all books are different also) don't remember what the max was and the book is at home. </p><p></p><p>what area of the cases should i measure? </p><p></p><p></p><p></p><p>the chamber is dry, all lube was removed by tumbling then wiping down with lacquer thinner on the cases. that was my first thought, so i made sure that it was clean and lube free. the 80.5g charge i think showed the start of the primer starting to flow around the pin but just barely. still an easy bolt lift and the primers are tight. </p><p></p><p></p><p></p><p></p><p>interesting, never thought of this as to why the velocity would be higher but makes sense. </p><p></p><p>i will see if i can check the headspace and back the charge down, maybe go down to 78g of H1000 and see if the ejector mark goes away. thanks for the help guys</p></blockquote><p></p>
[QUOTE="climb-101, post: 1284622, member: 31921"] the 2580 ft/sec velocity was the 80 g h1000. i know all rifles act different, i just figured something was off that i was missing it and couldn't figure out. that interesting that they show 2500-2600 as max velocity because in the sierra book it's about the middle velocity ( i know all books are different also) don't remember what the max was and the book is at home. what area of the cases should i measure? the chamber is dry, all lube was removed by tumbling then wiping down with lacquer thinner on the cases. that was my first thought, so i made sure that it was clean and lube free. the 80.5g charge i think showed the start of the primer starting to flow around the pin but just barely. still an easy bolt lift and the primers are tight. interesting, never thought of this as to why the velocity would be higher but makes sense. i will see if i can check the headspace and back the charge down, maybe go down to 78g of H1000 and see if the ejector mark goes away. thanks for the help guys [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
help with pressure signs, loads below book minimum
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