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Hardness between batches?

2913 Views 2 Replies 3 Participants Last post by  uglydog
I've been shooting some of Ga Arms bullets in my Blackhawk. I've not experienced leading with the first ones I bought(2 boxes of 300), but this last batch has been leading the crap outa my barrel. Same loads,brass and all that. This is a light load that's not supposed to be over 850fps,according to the book. I don't own a Chronograph. They're shooting to the same point of aim as the first ones.

Do batches run softer sometimes? I haven't looked for a "made on date" or batch number on the box. But something is different about these.

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With some bullets, I notice there is a wider weight variation - and occasionally a little variation in diameter - and it wouldn't surprise me if there was a hardness difference as well. Unfortunately I think it varies more than we would like to think it does from lot to lot.

I used to load a lot of Rainier Ballistics and West Coast bullets - and I was having all kinds of grouping problems that would show up from time to time - and since I switched to Montana Gold my loads are a lot more consistent in terms of performance.

I don't have any specific info on hardness - but it wouldn't surprise me if they were softer - or just a hair bigger in diameter(but in tolerance) - and that's what is causing your issue.
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