Funny, I read somewhere recently that USGI .30 Carbine mags were unreliable, cheap, and originally built to be used once and thrown away. Not my experience at all but that's what the guy said.

I have a bunch I bought when they were $2 or $3 apiece. But I pretty much use the same two or three I have on the carbines. Over the years I have never had a problem. The prices quoted in this thread amaze me.

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