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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Promised pics of the 510 Allen Magnum...
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<blockquote data-quote="Fiftydriver" data-source="post: 118396" data-attributes="member: 10"><p>FOr a 50 cal I like 20 fps or less if possible. Some 50s will simply not do this but I suspect the Lilja barrel on my 510 AM will.</p><p></p><p>IT seems to be more difficult to get a big 50 cal to get true single digit extreme spreads. I go by extreme spreads, not standard deviation. The reason is because you can have a 15 shot string with the vast majority of rounds producing a single digit SD but have a couple rounds really fly out of the group velocity wise.</p><p></p><p>Personally I feel extreme spread is a better figure as far as telling you if your load is a good consistant load. Just a personal thing. When either are used correctly they both serve the same purpose. Its just alot harder to get a true single digit extreme spread compared to standard deviation.</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 118396, member: 10"] FOr a 50 cal I like 20 fps or less if possible. Some 50s will simply not do this but I suspect the Lilja barrel on my 510 AM will. IT seems to be more difficult to get a big 50 cal to get true single digit extreme spreads. I go by extreme spreads, not standard deviation. The reason is because you can have a 15 shot string with the vast majority of rounds producing a single digit SD but have a couple rounds really fly out of the group velocity wise. Personally I feel extreme spread is a better figure as far as telling you if your load is a good consistant load. Just a personal thing. When either are used correctly they both serve the same purpose. Its just alot harder to get a true single digit extreme spread compared to standard deviation. Kirby Allen(50) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Promised pics of the 510 Allen Magnum...
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