Question about the 1050 and 1100. Are the powder drops that they use any better than those for the 550? I have persistent issues getting a consistent measure of powder. I typically see +- .1 gn variation sometimes .2 on some powders. The marketing materials for the 1100 say it'll produce match grade ammo but wonder if that's true if it doesn't throw a consistent amount of powder like the 550.
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As far as I know they're all the same ignoring a powder bar return design change about a decade or more ago.
I think the Dillon Powder Measure Tips thread <-(Click this) may be of some help.
O2
Last edited by O2HeN2; 06-24-2020 at 07:20.
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Looks like the variation of +- 0.1 that I'm getting is "good" from reading that thread.
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When I'm loading pistol rounds I don't really care so much about the 0.1. With 223 I care more especially when I see higher standard deviation numbers on the chronograph.
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What kind of effect on target have you seen, chasing SD?
Particularly with OCW-type load development, I've noticed that SD doesn't really have much correlation with group size (I did find better correlation with ES, which makes sense, given that most people don't measure group size as mean radius). As an overall trend, higher charges/pressures produce lower SD, but my velocity loads don't correlate with my accuracy loads.
It's so pronounced in my experience that I might even define an accurate load/node as one which is insensitive to SD. Which implies to me that the negative impact of poor node selection is far more detrimental than the impact of varying velocities.
FWIW: I find my Hornady measures are more accurate with Varget & friends than Dillon.
Last edited by Not_A_Llama; 06-25-2020 at 07:20.
9mm - because they don't make a 9.1mm
As you can probably tell I'm still pretty new to all this so I have pretty much no idea what you just said. Not sure what a "node" is. As far as looking at SD it's a number I figure is a case of lower the better. The goal for me may seem silly. One day while shooting with a friend we started asking "how far can we push an AR with a 16" barrel?" and ever since I've been working on loads to answer that question. Not looking at groups at all but just trying to ring steel. Knowing nothing more than consistency in powder and chronograph readings ect must be better that's been a thing I've been keeping track of. I do appreciate any lesson that can be handed down so please do correct me if I'm off base. I know my goal may seem ridiculous but I'm having fun.
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