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Rifles, Reloading, Optics, Equipment
Reloading
Howa 300 Mag Load Help.
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<blockquote data-quote="nksmfamjp" data-source="post: 1732940" data-attributes="member: 1951"><p>Let me give you a couple of first steps to consider. </p><p></p><p>Have you tried factory match loads 4 groups of 5 at 100 yards. What is your average group size? What is your variation?</p><p></p><p>Do you have any hints of scope failure like flyers that you cannot call or difficulty making adjustments? You should be about to dial 1" left and move your group exactly 1" left.</p><p></p><p>What is your twist rate? What bullets have you tried? Have you tried Berger or Hornady? Specifically 180gr to 200gr.</p><p></p><p>Have you tuned your fl die to deliver consistent CBTD measurement and bolt close force?</p><p></p><p>With a given bullet, have you shot the full range of load data for given components?</p><p></p><p>Personally, I pick my bullet by use and twist rate.</p><p></p><p>Then I load 25 rounds at CBTO=lands-0.030" and vary the charge into 5 even groupings.</p></blockquote><p></p>
[QUOTE="nksmfamjp, post: 1732940, member: 1951"] Let me give you a couple of first steps to consider. Have you tried factory match loads 4 groups of 5 at 100 yards. What is your average group size? What is your variation? Do you have any hints of scope failure like flyers that you cannot call or difficulty making adjustments? You should be about to dial 1” left and move your group exactly 1” left. What is your twist rate? What bullets have you tried? Have you tried Berger or Hornady? Specifically 180gr to 200gr. Have you tuned your fl die to deliver consistent CBTD measurement and bolt close force? With a given bullet, have you shot the full range of load data for given components? Personally, I pick my bullet by use and twist rate. Then I load 25 rounds at CBTO=lands-0.030” and vary the charge into 5 even groupings. [/QUOTE]
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Howa 300 Mag Load Help.
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