Best powder measure for AA #7?


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jlficken
October 23, 2007, 02:00 PM
Does anyone know of a measure that doesn't leak or bind that would work with this powder? I am using an old Pacific and while it meters reliably (+/- .1 gr) it binds really bad. Thanks.

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jfh
October 23, 2007, 02:09 PM
I get satisfactory metering--.1 variation--with a Lee Auto Powder measure with the adjustable charge bar. However, it does leak (at the bar / base, not at the drop--and powder does randomly escape even with tweaking the hopper mounting screws.

I can use it successfully, but the leakage is enough of a PITA that it is turning me away from #7. Perhaps a Perfect Powder Measure works better, but I don't know--haven't tried it.

Jim H.

presspuller
October 23, 2007, 02:44 PM
I use the RCBS uniflow measure and never had a problem with it.

jlficken
October 23, 2007, 03:58 PM
Thanks for the info guys.

Ala Dan
October 23, 2007, 05:28 PM
Another RCBS Uniflow user here, reporting NO problems metering the AA-7~! ;)

nitesite
October 23, 2007, 05:47 PM
Lyman #55 works well for me.

I cannot use my DPS1200-II digital measeure/scale with AA#5 or #7. The granules are small enough to get between the metering tube and its two carrier support bushings. This causes the motor to slow down, sometimes to a crawl.

RidgwayCO
October 23, 2007, 07:08 PM
My Redding 3BR works great with all Accurate ball powders. The Lee Pro Auto-Disk works well too.

Walkalong
October 23, 2007, 07:24 PM
I imagine any drum type measure would work well. My Redding 10X meters fine ball powders great with no leakage.

brickeyee
October 23, 2007, 08:02 PM
Uniflow works fine.
Lee jambs up.

Make sure you have a baffle in the hopper.

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