Do you drink the HK water?
I obtained a few of these magazine, and I have to say they are pretty ******* nice.
Persoanlly, I always wondered what all the hoopla regarding the HK magazines was all about.
Your basic government-issue aluminum magazine is perfectly adequate. That said, The P-Mags are rather impressive. I handled some of those that aroundlsu has, and a buddy gave me one a few weeks ago. The quick-ditch dust cover is a SUPERLATIVE idea, and every one of these I have tried work in my carbine just as good as the standard ones.
If I buy any more AR mags, they will be P-Mags. They do "stick" a bit in some lowers, apparently; but I imagine use will fix that.
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Cproducts SS mags are nice, the new Cproducts teflon finish is pretty sweet as well.
Looks like 5.45x39 not .223 in the mag.