Originally Posted by fourbore
I found some pictures

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I think it might have been nice if both were done on the Russian case for sake of standardization and give the 6.8 more capacity. As it is seems they both give up something. I dont say it a big deal either way, just saying. Same for the blackout. That one is too late. I guess they are all too late and, are what they are.


The 7.62x39 has a bad reputation for braking bolts and not feeding well. The case diameter makes the web and lugs of the bolt weak. The taper of the case makes it tougher to make mags that feed well. There are a lot of people that will not use an AR that has that case diameter because of the bad rep. That is why the 5th group and the AMU did not use the 7.62x39 case when designing their new cartridge.

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