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Only took forever but I finally found a power my grendel likes, going to load up some more and sees if the other 4 loads shoot better of a more stable rest, this one was the best with the crappy set up I hadhttps://uploads.tapatalk-cdn.com/201...007079dfad.jpg
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AR or bolt gun?
AR I put together about a year ago
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After having good luck with the load pictures, I loaded up 40 more, 20 with mag primers and 20 with regular primers. It appears that somewhere between 24.5 & 28 grains of magic pixie dust is the sweet spot. Sorry I'm not going to name the powder because there's no listing for these loads.
I think I might have a "loose" chamber because all my loads I have shot so far look like I'm shooting suppressed.
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Was there much difference between the two primers you used? Do you know what velocities you are running?
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The standard primer was the better group, .6 vs .8, haven't chrono'd them yet, will let you know the speed when I do
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Using a powder to slow for the cartridge will leave dirty cases. Powder not expanding the case neck fast enough to seal it in the chamber.
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I agree with kbiernat about the dirty cases…. Weak loads. What kind of velocity are you getting using what grain bullet? There’s probably a higher accuracy node you can get to
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