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Rifles, Reloading, Optics, Equipment
Reloading
Pressure signs well above max load?
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<blockquote data-quote="Doom2" data-source="post: 2332455" data-attributes="member: 108323"><p>Sierra gives 2540.fps or so with powders of the same burn rate as N140 in a 24" barrel. That probably puts a 30" barrel at about 2700 fps max. My opinion is the gunsmith had the right idea. To get the velocities you have above 25gr they use powders like 2000MR which in my opinion is too slow for a gas operated action.</p></blockquote><p></p>
[QUOTE="Doom2, post: 2332455, member: 108323"] Sierra gives 2540.fps or so with powders of the same burn rate as N140 in a 24” barrel. That probably puts a 30” barrel at about 2700 fps max. My opinion is the gunsmith had the right idea. To get the velocities you have above 25gr they use powders like 2000MR which in my opinion is too slow for a gas operated action. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Pressure signs well above max load?
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