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Hunting
Long Range Hunting & Shooting
6.5 PRC Powder Charge/Velocity Ladder Test. No Flat Spot
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<blockquote data-quote="BrentM" data-source="post: 2948003" data-attributes="member: 61747"><p>Greg, here is what I suggest. Take the book max and throw out the lower half of the charge weights. Start in the middle and work up in .5 grain increments to 1-2 grains over max. Be prepared to pull bullets. Shoot your velocity ladder until you get the first signs of pressure. That charge is now your max charge. Drop 1.5 grains and load in .2 grain increments 2 shots each. Shoot and record the velocity in the 2 shot increments and look for the node. Likely you'll see a spot in there about .5 grain wide with lower sd and flat node.</p></blockquote><p></p>
[QUOTE="BrentM, post: 2948003, member: 61747"] Greg, here is what I suggest. Take the book max and throw out the lower half of the charge weights. Start in the middle and work up in .5 grain increments to 1-2 grains over max. Be prepared to pull bullets. Shoot your velocity ladder until you get the first signs of pressure. That charge is now your max charge. Drop 1.5 grains and load in .2 grain increments 2 shots each. Shoot and record the velocity in the 2 shot increments and look for the node. Likely you'll see a spot in there about .5 grain wide with lower sd and flat node. [/QUOTE]
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6.5 PRC Powder Charge/Velocity Ladder Test. No Flat Spot
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