I think you guys are referencing different videos. He's referring to the video where the pmag is abused by a Chevy. He then loads the magazine with dummy rounds and ejects them through his rifle.
I think you're referring to the video where the soldier is abusing his pmag with a humvee and then packs it full of sand. it survives the majority of the humvee test, while the usgi and hk mags do not. There were some ejection problems when the pmag was loaded with 29 rounds, then packed with sand, but usgi mags were not put through the same test to compare them.
based on durability alone I think I'd choose the pmag, no koolaid required.
Montrala
I'm sponsored competition shooter representing Heckler&Koch, Kahles, Hornady and Typhoon Defence brands in Poland, so I can be biased
http://montrala.blogspot.com
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