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Old October 27, 2012, 01:28 PM   #32
Senior Member
Join Date: January 7, 2010
Location: Houston, TX
Posts: 802
You got me thinking, a dangerous thing, I know.

I'm a beginner reloader and I've been thinking about some of the same things you are brought up.

My objective is to replicate/improve the performance of the Federal GMM 168grain HPBT. But use a Hornady 150 grain SP bullet. Why Hornady? Because I got 500 of them for free when I bought my Lock n Load AP press.

I know its going to be difficult because of the BC difference between the two bullets. So what I did is take a couple of Federal GMM apart.

The Varget powder is on the left and the powder from the Federal GMM on the right. I measured both of the federal and they came out to 43.9 and 43.8 grains.

As you can see the color is different but otherwise the powder looks very similar. Obviously I will be following the manual powder recomendations for the bullet I'm using, but I thought you guys might find this info interesting.
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File Type: jpg Varget n Federal GMM redux.jpg (165.6 KB, 3536 views)
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