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Old May 18, 2013, 01:55 PM   #1
pollo
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AA3100 vs. Accurate Magpro

Hi guys, I keep seeing AA3100 showing up as most accurate powder in my Nosler handbook. I emailed Accurate and they said that the powder was discontinued and that Accurate Magpro was their main replacement. Are they the same thing, similar, or totally different?
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Old May 18, 2013, 08:11 PM   #2
2ndtimer
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Totally different. Accurate 3100 is an extruded (stick) powder, while Magpro is a spherical (ball powder). Magpro has a slower burning rate and is not as flexible as 3100. I was sorry to see Accurate discontinue 3100, but since I still have at least 10 lbs of Accurate Data 86 Extruded on hand, I am not too concerned about it. (Data 86 was a surplus powder offered a few years ago that is just a hair quicker burning than 3100, and even uses the same loading date in a number of cartridges) If you are looking for a more similar powder to Accurate 3100, I suggest trying to find some IMR-4831, H-4831, Reloder 22 or Vihtavuori N-165. Powders more similar to Magpro would be Ramshot Magnum, or Winchester 780, both slow burning spherical powders. I got better accuracy with the extruded powders, while Magpro did put up some impressive velocity readings in my .270WSM.
Which cartridges were you hoping to load with it?
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Old May 19, 2013, 06:30 AM   #3
steve4102
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Quote:
Which cartridges were you hoping to load with it?
^^This^^
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Old May 19, 2013, 08:45 AM   #4
pollo
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I was hoping to load. 270, .300 win. mag., .338 win. mag., and posibbly 30-06. I have IMR4831 and RL22, but my question is, why did Accurate discontinue AA3100 if it was such a good powder?
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