I found a few cases of the .223 gray plastic cases and they had burn through marks on most of them. Some had the neck melted as well. I did find one or two out of (10) that had no visible issues on them.
Has caseless ammo died as well? I do not read or hear much about it anymore.
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5.56mm, reach out and touch something. .458 SOCOM, reach out and knock something down.
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