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Rifles, Reloading, Optics, Equipment
Reloading
Ladder test results
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<blockquote data-quote="Huntnful" data-source="post: 2783904" data-attributes="member: 116563"><p>To me, this just shows how inconsistent a test like this really is. Several times almost a grain more powder showed slower velocities. And then jumping 80fps with just an additional .4gr of powder another time. This is just standard dispersion as if you just loaded a bunch with the same charge weight and got a regular ES spread. You can do this in far less shots. Just find pressure. Then back the charge down a little bit and shoot it to see what it's real ES is going to be with that powder and primer and bullet combo. 1% or even less change in powder charge will not find any holy grail velocity node. Especially not once you introduce varying weather conditions and many more documented shots. Your powder, bullet and primer combo are just going to give you whatever ES that combo is good for. You can probably make small decreases in ES with different loading techniques, but nothing magical once you start reaching decent case fill. You'd have to change the bullet, powder or maybe primer to make any discernible difference. That's just my opinion anyways lol. </p><p></p><p>With enough shots, I'd bet a lot of money you'd see basically no difference in ES or SD with 89, 89.2 or 89.4 or any of the combos. I'd just shoot 10 rounds loaded the same, slightly below pressure signs, and see what the ES/SD of that combination of components is. If it is not acceptable, you'll need to change something other than .2gr in the powder charge.</p></blockquote><p></p>
[QUOTE="Huntnful, post: 2783904, member: 116563"] To me, this just shows how inconsistent a test like this really is. Several times almost a grain more powder showed slower velocities. And then jumping 80fps with just an additional .4gr of powder another time. This is just standard dispersion as if you just loaded a bunch with the same charge weight and got a regular ES spread. You can do this in far less shots. Just find pressure. Then back the charge down a little bit and shoot it to see what it’s real ES is going to be with that powder and primer and bullet combo. 1% or even less change in powder charge will not find any holy grail velocity node. Especially not once you introduce varying weather conditions and many more documented shots. Your powder, bullet and primer combo are just going to give you whatever ES that combo is good for. You can probably make small decreases in ES with different loading techniques, but nothing magical once you start reaching decent case fill. You’d have to change the bullet, powder or maybe primer to make any discernible difference. That’s just my opinion anyways lol. With enough shots, I’d bet a lot of money you’d see basically no difference in ES or SD with 89, 89.2 or 89.4 or any of the combos. I’d just shoot 10 rounds loaded the same, slightly below pressure signs, and see what the ES/SD of that combination of components is. If it is not acceptable, you’ll need to change something other than .2gr in the powder charge. [/QUOTE]
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Ladder test results
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