SBR Caliber and Barrel Length Change

Discussion in 'GATE NFA/Class III' started by Ranger54, Apr 14, 2011.

  1. When I decided to build an SBR, I sent my Form 1 in with a caliber of 5.56 mm and a barrel length of 10.5 inches. I had the stripped lower engraved, a Spikes Multi Caliber, and submitted the Form 1 and now have it back approved.

    However, my thought process has now changed and I am planning to build a 9MM SBR on the same lower with a barrel length of 7 inches.

    The 5.56 mm has not been built, do not have any of the parts, will not build it.

    Once I do the new build, do I just sent the ATF a letter stating the SBR is now a 9mm, 7 inch barrel?
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  3. Zak Smith

    Zak Smith 3Gunner
    Millennium Member

    Yeah, just send an amendment.

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