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  1. HK NFA TALK
    I have a GemTech G5 and an Outback II suppressor. I thinking of picking up a Umarex HK416. I checked GemTech's website and I can either get the adapter to use the Outback II or I can get the adapter that will allow me to install a standard GemTech Bi-Lock flashhider to use the G5. I am leaning...
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