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Rifles, Reloading, Optics, Equipment
Reloading
Pressure signs/chronographing
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<blockquote data-quote="jwp475" data-source="post: 206043" data-attributes="member: 3776"><p>You are correct Moly use does lower pressures, and with the reduced pressure also comes lower velocity. IME changeing to a hotter primer will increase pressure as well as velocity. Velocity is not a definate indication of presure as has allready been stated, but if one is useing the proper burn rate of powder and your velocity is in the stated velocity range for the cartridge then one is in safe territory IMHO. Example in the 30-06 useing H-4350 powedrr and 180 grain bullets if you are getting 2700 FPS you are in safe territory, if you are getting 2900 FPS it is safe to say that you are above SAAMI pressure specs with this powder... If one loads a faster burning powder such as BUllseye in the 30-06, then dangerous pressure will be reached long before spec velocity levels are ever reached.</p></blockquote><p></p>
[QUOTE="jwp475, post: 206043, member: 3776"] You are correct Moly use does lower pressures, and with the reduced pressure also comes lower velocity. IME changeing to a hotter primer will increase pressure as well as velocity. Velocity is not a definate indication of presure as has allready been stated, but if one is useing the proper burn rate of powder and your velocity is in the stated velocity range for the cartridge then one is in safe territory IMHO. Example in the 30-06 useing H-4350 powedrr and 180 grain bullets if you are getting 2700 FPS you are in safe territory, if you are getting 2900 FPS it is safe to say that you are above SAAMI pressure specs with this powder... If one loads a faster burning powder such as BUllseye in the 30-06, then dangerous pressure will be reached long before spec velocity levels are ever reached. [/QUOTE]
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