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Rifles, Reloading, Optics, Equipment
Reloading
Hot Load Help
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<blockquote data-quote="stevotary" data-source="post: 734639" data-attributes="member: 40623"><p>I'm fairly new to reloading. I have 300 win mag that I am reloading for. I worked up loads with IMR 7828, hornady spent casing and Hornady Interlock 180 gr BTSP. I went in increments of 100 fps starting at 64.2gr-2500fps, 67gr-2600fps, 69.7gr-2700fps, 72.4gr-2800fps, 75.2gr-2900fps. I didn't really know what to look for when figuring out what was too hot, so i just went up and saw which fps grouped the best. There wasn't any obvious damage to the casing. I ended up going with 74.9gr, which is supposed to be 2850fps. I realized I am supposed to be looking for indentions on the back of the bullet. I noticed that all the bullets at 74.9gr have a slight full moon mark. </p><p></p><p>Does that mean the load is too hot?</p><p></p><p> Have I done damage to my gun? I can't get it to group very well.</p></blockquote><p></p>
[QUOTE="stevotary, post: 734639, member: 40623"] I'm fairly new to reloading. I have 300 win mag that I am reloading for. I worked up loads with IMR 7828, hornady spent casing and Hornady Interlock 180 gr BTSP. I went in increments of 100 fps starting at 64.2gr-2500fps, 67gr-2600fps, 69.7gr-2700fps, 72.4gr-2800fps, 75.2gr-2900fps. I didn't really know what to look for when figuring out what was too hot, so i just went up and saw which fps grouped the best. There wasn't any obvious damage to the casing. I ended up going with 74.9gr, which is supposed to be 2850fps. I realized I am supposed to be looking for indentions on the back of the bullet. I noticed that all the bullets at 74.9gr have a slight full moon mark. Does that mean the load is too hot? Have I done damage to my gun? I can't get it to group very well. [/QUOTE]
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