dirty ammo

platnumbob

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I just bought a couple of boxes of Hornady 17hmr v-max to try in my new rifle and was somewhat surprised to find them very dirty when I opened the box. In comparison to the CCI hollow points I bought there is a big difference. I haven't seen ammo this nasty since I last picked up a crate of surplus 7.62x39. Is it normal for Hornady to have such dirty ammo? I realize it really doesn't matter and it won't effect performance but I guess I expected better from rimfire ammo at a quarter a round. Here is a pic of the CCI, a dirty Hornady round, and a Hornady round that has been rubbed clean with a cloth. Any comments?

17hmr.jpg
 
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I have found the same in a box of 7mm rem mag (Winchester) and a box of 308 (Federal). I too was unsure of the cause. I was told by a few shooters it is slight corrosion usually due to cold ammo in shipping. Shipment transported in winter then unpacked in warm enviroment = condensation = slight corrosion. It made sence to me. Anyway that was the explanation I was given.
 
just .02

If it was corosion, then it wouldn't be easy to wipe off, and so it wouldn't be spread around, and it wouldn't affect the polymer tip. If had some rounds where the cases were a little tarnished, but that looks pretty gunky.

RG

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Looks like it's been stored, and it doesn't take long, in a work atmosphere that includes engine exhaust, proximity to industrial burners of some sort, something like that. Real low concentrations of SO2 will do that quickly - nothing wrong with it for shooting purposes.
 
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