I haven't heard of anyone running Centurion trouble-free in any gun. I'm not talking a mag or two I'm talking trouble free in 1K rounds.
That is interesting. I had not heard that. I've been through a couple thousand rounds in my E3's and my n4 upper & I'm sitting on a couple thousand more rounds for range use. It runs without a hiccup in my n4 barrelled upper.
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