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SBR AR lower

Discussion in 'NFA Firearms and Accessories' started by lpso708, Dec 19, 2012.

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  1. lpso708

    lpso708 Member

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    I have read here that I can not fill the form with Multi can someone help me. What can I put if I am going to use more than one caliber:banghead:?
     
  2. Quickdraw Limpsalot

    Quickdraw Limpsalot Member

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    You use the chambering you're actually going to build it in. You'll need to be able to return it to this configuration if you plan on using multiple uppers. (i.e. if you sell the upper in that bbl length and chambering and make a "permanent change," you'll need to get your information updated with the BATFE.)
     
  3. lpso708

    lpso708 Member

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    Thank you for the knowledge.
     
  4. Quickdraw Limpsalot

    Quickdraw Limpsalot Member

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    Surely. Glad to help.
     
  5. MasterSergeantA

    MasterSergeantA Member

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    You will also have to include a specific length in each of blocks 4e and 4f on the Form 1. This does not preclude you from using uppers with different length barrels, but it does define the "as built" configuration of your SBR. As Quickdraw pointed out, the ATF wants to know if a "permanent change" occurs.
     
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