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Rifles, Reloading, Optics, Equipment
Reloading
Verticle Spreading and load development help - where to go from here?
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<blockquote data-quote="fnlights" data-source="post: 2203840" data-attributes="member: 117046"><p>Hi All,</p><p></p><p>So I have a Bergara Premier Highlander in .300 Win Mag that I am working on some hand loads for. I am using Berger 215's, H1000, Norma Brass, CCI 250's, and Redding Type-S Bushing Dies. Gun will be primarily used for elk hunting out west.</p><p></p><p>I followed Berger's starting point of 70.5 grains of H1000, and shot .015, .020, and .030 off the lands.</p><p></p><p>See the first imagine below - the .030 off the lands shot the best (by far). (Image without a circle)</p><p></p><p>So, 70.5gr is pretty light for H1000 in a .300 WM, and decided to bump the powder charge up to 74gr (imagine with the red circle). This caused the groups to open up. This had zero pressure signs.</p><p></p><p>Question is, from here, do I bump up to say 75 gr and keep going until I see pressure - then tweak the seating depth again? Was hoping that the powder increase would not open the groups that much. I am new to this precision reloading.</p></blockquote><p></p>
[QUOTE="fnlights, post: 2203840, member: 117046"] Hi All, So I have a Bergara Premier Highlander in .300 Win Mag that I am working on some hand loads for. I am using Berger 215's, H1000, Norma Brass, CCI 250's, and Redding Type-S Bushing Dies. Gun will be primarily used for elk hunting out west. I followed Berger's starting point of 70.5 grains of H1000, and shot .015, .020, and .030 off the lands. See the first imagine below - the .030 off the lands shot the best (by far). (Image without a circle) So, 70.5gr is pretty light for H1000 in a .300 WM, and decided to bump the powder charge up to 74gr (imagine with the red circle). This caused the groups to open up. This had zero pressure signs. Question is, from here, do I bump up to say 75 gr and keep going until I see pressure - then tweak the seating depth again? Was hoping that the powder increase would not open the groups that much. I am new to this precision reloading. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Verticle Spreading and load development help - where to go from here?
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