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Thread: Port size for Daniel Defense 5.56 16" S2W mid-length barrel (and a question about it)

  1. #11
    Join Date
    Sep 2007
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    Quote Originally Posted by Clint View Post
    It is interesting to see such variations in gas drive from the same mfg.

    They do seem to be toning down the mk18s too, so perhaps it's a new thing.

    Yes, of course, the insert works in any mill spec FSB.
    DD makes their own version of a FSB. Not sure what the dimensional differences are.


  2. #12
    Join Date
    Nov 2010
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    It should work fine in that one too.
    Black River Tactical
    BRT OPTIMUM HFCL Barrels - Hammer Forged Chrome Lined 11.5", 12.5", 14.5"
    BRT OPTIMUM Barrels - 16" MPR, 14.5" MPC, 12.5" MRC, 11.5" CQB, 9" PDW
    BRT EZTUNE Preset Gas Tubes - CAR and MID
    BRT Covert Comps 7.62, 5.56, 6X, 9mm
    BRT MarkBlue Gas Tubes - BRT EXT, EXC and PDW Lengths
    BRT MicroPin Gas Blocks - .750" & .625"
    BRT MicroTUNE Adjustable Gas Blocks
    BRT CustomTUNE Gas Ports

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