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-   -   Reloading (https://parkerguns.org/forum/showthread.php?t=33529)

Andrew Sacco 06-16-2021 08:52 AM

I seem to always use a bushing 2-3x larger than stated with my MEC600 after weighing. I always find that odd.

edgarspencer 06-17-2021 07:13 AM

I can't recall where I got it, but MEC published a chart of bushing sizes for many powders. Like most of the old, reliable loading manuals, it's been made obsolete because of many of the IMR powders no longer being available, and the addition of many new ones.

Bobby Cash 06-17-2021 10:06 AM

Here you go...

https://i.imgur.com/V8lxpBc.png

edgarspencer 06-17-2021 11:02 AM

Thanks Bobby, must be the newest version, as they’ve deleted PB and 7625.

Harold Lee Pickens 06-17-2021 02:47 PM

I usually look at the listed bushing in that chart, and then start with the next smallest to check the weight on my digital scale

Keith Doty 06-19-2021 01:23 PM

I have several bushings that started life small and I have turned on the lathe to get exactly what I need. Seems like factory bushings frequently don't throw the charge they claim. I ALWAYS weigh a few charges carefully when using a new/unknown bushing.

Daryl Corona 06-19-2021 07:35 PM

Buy a universal charge bar and you will never look back at those bushing days again.

edgarspencer 06-19-2021 07:55 PM

Good point, Daryl. If I could only find mine.
My gripe is the 3/4 oz bar only drops .70-.72 oz. I reamed one of mine.
With the limited supply of components, it’s not always possible to apply some tried and true recipes.

Daryl Corona 06-19-2021 09:15 PM

Quite a few people complain about the UCB but I have them on all my Mecs and I find they produce a very consistent load.

Especially in this time of limited availability of your preferred components the UCB has proven it's weight in gold for producing quality reloads.

Andrew Sacco 06-19-2021 09:27 PM

I like simple. I have found every bushing I need new quite easily on eBay. It’s also why I like single stage presses and separate components for stereo and manual transmission on my Porsche. Shoot. I must be getting old.


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