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Rifles, Reloading, Optics, Equipment
Reloading
Too much pressure in the 300 RUM?
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<blockquote data-quote="3sixbits" data-source="post: 67133" data-attributes="member: 3661"><p>This method of head expansion has been in use by the shooting public for several decades and was introduced to the shooting public by Ken Waters. His method requires a 0-1" mic (the ability to read the tool) and pen &amp; paper. Using the case head expansion method. A measurement of the sized and loaded ctg is taken before the area of the rim or rimless or belt. You list this reading in your notes, fire the ctg. and again measure as before. If the head expansion is in excess of .0003 you have exceeded the limits of safe pressure. Ken Waters was perhaps the greatest firearms writer of the last half of the 20th century. His book "PET LOADS" has the most prominent spot in my own library. His articles in HandLoader mag were perhaps the best I have ever read on the practical side of re-loading. Yes he had the ability to write in the clearest and most comprehensible manner of any author it has been my experience to have read. I recommend to all his writings!</p></blockquote><p></p>
[QUOTE="3sixbits, post: 67133, member: 3661"] This method of head expansion has been in use by the shooting public for several decades and was introduced to the shooting public by Ken Waters. His method requires a 0-1" mic (the ability to read the tool) and pen & paper. Using the case head expansion method. A measurement of the sized and loaded ctg is taken before the area of the rim or rimless or belt. You list this reading in your notes, fire the ctg. and again measure as before. If the head expansion is in excess of .0003 you have exceeded the limits of safe pressure. Ken Waters was perhaps the greatest firearms writer of the last half of the 20th century. His book "PET LOADS" has the most prominent spot in my own library. His articles in HandLoader mag were perhaps the best I have ever read on the practical side of re-loading. Yes he had the ability to write in the clearest and most comprehensible manner of any author it has been my experience to have read. I recommend to all his writings! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Too much pressure in the 300 RUM?
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