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#416gasblock

  1. Difference between vented gas block for 14.5 16' barrels and 10.4 stamped vented gas

    HK416 and HK417 HQ
    Hello, New to this. Bare with me please. I recently bought a factory 10.4 416 barrel that came with the vented gas block. This gas block does not have the 10'' stamp and upon further research I came to find out that there's a vented gas block for barrels 14.5 and 16' See link ...
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