SBR OAL question....

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  • Trumpet

    SCSC/NRA life member. MSI member
    Oct 29, 2005
    2,083
    Alright,
    So I know about the 29" OAL thing. I'd like to SBR an M4E1 lower for a dedicated straight-pull .300 build. No gas system at all. However, it's an AR lower. How would you describe it when filling out the form 1, so they just don't assume it's an AR that won't meet the 29"?
     

    DocPeanut

    Ultimate Member
    MDS Supporter
    Sep 20, 2010
    2,413
    Don’t hold me to this but call it an AR and put the OAL as what it will be complete. I SBR’d an M4E1 300BO with a 10” barrel. I’m in the process of building another that will also likely be an SBR. No concerns from noted, they just want to be sure the length is the state regulated 29” overall
     

    Trumpet

    SCSC/NRA life member. MSI member
    Oct 29, 2005
    2,083
    But the 29" only applies to semi-auto, which this isn't. Just put 29" anyway?
     

    outrider58

    Eats Bacon Raw
    MDS Supporter
    Jul 29, 2014
    49,963
    SBR the upper instead.

    ETA: If it will be impossible to fire without manually cocking it, You should be fine. I would call their NFA brach and ask how to proceed so you don't waste a lot of your time with denials.
     
    Last edited:

    Trumpet

    SCSC/NRA life member. MSI member
    Oct 29, 2005
    2,083
    SBR the upper instead.
    ZWaykbD.jpg
     

    Trumpet

    SCSC/NRA life member. MSI member
    Oct 29, 2005
    2,083
    Ah...lol. There we have it. And yep. Manual only. Using a Lantac upper/BCG and Solo 300 barrel. No gas system at all.
     

    Trumpet

    SCSC/NRA life member. MSI member
    Oct 29, 2005
    2,083
    SBR the upper instead.

    ETA: If it will be impossible to fire without manually cocking it, You should be fine. I would call their NFA brach and ask how to proceed so you don't waste a lot of your time with denials.

    Just called. Guy was very nice. Said to put in the actual length, but then in the description "be specific and dumb it down"
     

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