Quote:
However, in many situations, the hand guards make it impossible to use them, favoring tri-lug ones.
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You're not using a HK style 3 lug with rifle calibers are you?
I use ASRs, mainly because the adaptors were already on the cans when I received them. I've had some carbon lock issues, but nothing insurmountable, merely annoying.
I hear good things about they keymo setups, but I haven't tried one - it's a fair bit of coin to swap over.