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300 WM Long Range Load Help
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<blockquote data-quote="FURMAN" data-source="post: 1499933" data-attributes="member: 26535"><p>I have developed roughly 50 loads. I do not bring that up to gloat as I know there are far more experienced than I. I bring it up to state my experience is not a small sample size. Every single time seating depth has mattered. This is with Berger, Hornady, Sierra, and Nosler. I mostly shoot Berger for many reasons but it really does not matter in this discussion. Most on this forum have their own load development figured out but there are many new people coming for help and stating seating depth testing is a waste of time is, plain and simple, not true. I will not continue to argue in a public forum. Here are a few pics I am not going to waste time digging up more. It is pretty easy to see that it does matter. Obviously powder charge matters as well so you need to experiment with both. I most often do a ladder test to look for a powder node(done most often with bullets seated at lands), then seating depth testing, then tweak powder charge for final load. Sometimes at the lands is the most accurate but I always check. One thing the paper will not show is seating depth can affect velocity. Often when you find the powder charge node es may still be a little high and after seating depth testing the correct seating depth for the load will bring es down to single digits. For new readers who want the most out of their rifle you need to do seating depth testing otherwise I would just shoot factory ammo.</p><p>The first pic is 850 yards. The rest 100.</p><p> <img src="https://i.imgur.com/26XJe7Wm.jpg?1" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="https://i.imgur.com/lfnNWECm.jpg?1" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="https://i.imgur.com/coqO5OJm.jpg?5" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="https://i.imgur.com/U1VjrGRm.jpg?1" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="https://i.imgur.com/zaydDRDm.jpg?1" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="FURMAN, post: 1499933, member: 26535"] I have developed roughly 50 loads. I do not bring that up to gloat as I know there are far more experienced than I. I bring it up to state my experience is not a small sample size. Every single time seating depth has mattered. This is with Berger, Hornady, Sierra, and Nosler. I mostly shoot Berger for many reasons but it really does not matter in this discussion. Most on this forum have their own load development figured out but there are many new people coming for help and stating seating depth testing is a waste of time is, plain and simple, not true. I will not continue to argue in a public forum. Here are a few pics I am not going to waste time digging up more. It is pretty easy to see that it does matter. Obviously powder charge matters as well so you need to experiment with both. I most often do a ladder test to look for a powder node(done most often with bullets seated at lands), then seating depth testing, then tweak powder charge for final load. Sometimes at the lands is the most accurate but I always check. One thing the paper will not show is seating depth can affect velocity. Often when you find the powder charge node es may still be a little high and after seating depth testing the correct seating depth for the load will bring es down to single digits. For new readers who want the most out of their rifle you need to do seating depth testing otherwise I would just shoot factory ammo. The first pic is 850 yards. The rest 100. [IMG]https://i.imgur.com/26XJe7Wm.jpg?1[/IMG] [IMG]https://i.imgur.com/lfnNWECm.jpg?1[/IMG] [IMG]https://i.imgur.com/coqO5OJm.jpg?5[/IMG] [IMG]https://i.imgur.com/U1VjrGRm.jpg?1[/IMG] [IMG]https://i.imgur.com/zaydDRDm.jpg?1[/IMG] [/QUOTE]
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