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legal barrel

  1. HK ROOKIE CORNER
    ok trying to come up with a flash hider that will bring my build to a 16" barrel and keep out of sbr territory 12.69 hk33k barrel 4.8"flash hider i would like to take this or any other hider closest to 16"as i can get i would be at 1.49" of extra length i could cut this down to 3.31" and...
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