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  1. 11 March 2008, 17:02 #5
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    Stickman
    Stickman is offline Administrator
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    Rock River Bolt Carrier Group

    The Rock River BCG is shown below in its AR15 configuration.


    Bolt Carrier

    Finish- parkerized

    Material- unknown

    Carrier Key- Chrome lined

    Carrier chrome lined- Yes

    Carrier Key- Staked


    Bolt

    Finish- Parkerized

    Material- unknown

    MPI- unknown

    Proof fired- Unknown

    Shot peened- Unknown


    Extractor

    Forged- Unknown

    Extractor insert- black














    Last edited by Stickman; 11 March 2008 at 17:29.
    Stick


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