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Old 03-24-2021, 12:25 AM
CadillacMike CadillacMike is offline
Join Date: Oct 2009
Location: Tampa Bay FL
Posts: 3,532

I'm quite wary of "once fired" LC brass in 7.62mm or 5.56mm in particular. 99% or more of these casings are from M240 / M60 or M249 MGs and those weapons have slightly larger chambers to allow continuous firing without cleaning and thus the case will expand more than a cartridge fired in an M14 or M16. When one goes to resize the case for reloading, the brass gets stained more than I would like and thus can lead to a crack or separation more so than brass fired from a rifle.

This pretty much does not apply to .30 Cal M2 because MGs in .30 Cal went by the wayside decades ago.

So HXP once fired is good to go as far as I'm concerned. So is LC in .30Cal, but the current NATO calibers - nope, I don't want MG fired casings.

That's my story and I'm sticking to it.
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