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Another SBR question

Discussion in 'NFA Firearms and Accessories' started by cottonmouth, Feb 22, 2010.

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  1. cottonmouth

    cottonmouth Member

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    I want to build a SBR and would like to build a 7.5" if I could get one that was reliable. What do I need, a special buffer and/or spring? One other thing, can it be registered to wear a 7.5" and a 10-1/2" barrel? It'd suck to spend the time and money building a 7.5" gun that would not run right and not be able to just stick a 10-1/2" upper on it.

    J.B.
     
  2. jmorris

    jmorris Member

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    I would build it as a pistol make sure it runs good have the receiver engraved then send in your form 1. FWIW most suppressor manufactures won’t warranty their cans on anything less than 10.5” (some don’t like you to go that short) due to the increased pressures.
     
  3. Dimis

    Dimis Member

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    also list any barrel size you may want to use on the form i.e. 7.5, 10.5 etc.

    that way its covered ive also "heard" you can put on the form any size but ive also heard to be as specific as possable and list all probable sizes you may use
     
  4. PTK

    PTK Member

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    You could put any length upper on a registered SBR lower, as long as you can still return it to the stated condition. :)
     
  5. nalioth

    nalioth Member

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    I'm going to assume this thread concerns the AR15 platform.
     
  6. PTK

    PTK Member

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    Yes, most people don't realize other SBRs even exist. :D
     
  7. cottonmouth

    cottonmouth Member

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    Thanks guys! This little forum is really moving right along. And yes, I am refering to an AR, what else is there? LOL!

    J.B.
     
  8. Big44mag

    Big44mag Member

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    I use a standard CAR buffer and standard spring in my 7.5", but I attached a KX3 before even firing it so I don't know if I would have had an issue with functionality beforehand or not.
     
  9. DoubleTapDrew

    DoubleTapDrew Member

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    Really? That's good to know. I read a thread some time back about folks putting a range (7.5"-16") and IIRC some went through, some got rejected, so it seemed the best idea was to put all common AR SBR barrel lengths down.
     
  10. PTK

    PTK Member

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    You cannot put more than one length on a F1 when making an SBR. It has ONE length. Just make sure you can return it to that condition, is all. :)
     
  11. Sam1911

    Sam1911 Moderator

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    Really?

    TexasRifleman's post from this thread: http://www.thehighroad.org/showthread.php?t=506355

    Can we all get on the same page? :D

    -Sam
     
  12. TexasRifleman

    TexasRifleman Moderator Emeritus

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    Have you had one rejected for putting multiple lengths on the form?

    I have one, and another poster said he has one, that was approved with multiple lengths and calibers on the form.

    It certainly wouldn't surprise me to see them reject another form filled out the exact same way, that's par for the course with ATF.

    I have an older one that was accepted with "Less than 16 inches" written in the length spot and "various" written in the caliber spot.

    Later on I sent another form and had that same language rejected.
     
  13. cottonmouth

    cottonmouth Member

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    What happens to your $200 if you get rejected?

    J.B.
     
  14. LiquidTension

    LiquidTension Member

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    If they don't like your form, you just fix the form and send it back.
     
  15. LoneCoon

    LoneCoon Member

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    I'll put this here, rather than start a new thread:

    Can you apply for SBR status on a Revolver? The reason I ask this is because I've seen 15" barrels for the Dan Wesson revolvers, and I couldn't help but think that it'd make a dandy carbine. Would you then have to file for every barrel you had? Going for the 2" SBR might be a bit extreme.
     
  16. TexasRifleman

    TexasRifleman Moderator Emeritus

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    Yes, that would be an SBR.

    I assume the frame is the serialized "firearm", not the barrels. So, only one tax stamp.
     
  17. LoneCoon

    LoneCoon Member

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    Awesome. I should go all out and buy this then
     
  18. mp510

    mp510 Member

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    ATF does request that you send NFA Branch a letter if you PERMENANTELY reconfigure your NFA firearm. It is a good idea to include a duplicate for them the stamp received and return, in case anybody (range officer, LEO, etc...) tries to give you grief because the description does not match that on the f1/4. Mailing a letter costs .44--there is no point in not doing it.

    Only indicate 1 bbl and OAL on your paperwork. They want to see a SPECIFIC configuration now.
     
  19. TexasRifleman

    TexasRifleman Moderator Emeritus

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    Have you had one rejected for this? I have heard this several times lately but I have not heard of anyone actually getting rejected.

    Way back you could put "multi" for the length and they would take it.

    Then they started rejecting those.

    The last one I did listed out several lengths specifically and they took it.

    But I have yet to see anyone personally have one rejected for including more than one length or caliber.

    Not saying they won't but so far I hear the story but have not had anyone confirm it.
     
  20. 7.62 Nato

    7.62 Nato Member

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    I believe that would just be a long barreled pistol unless you attach a buttstock. Wouldn't a rifle (or SBR) be designed to fire from the shoulder and have a buttstock?
     
  21. LoneCoon

    LoneCoon Member

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    I was referring to having a stock made for the 15" Barrel, then having to register the whole thing.

    YOU ARE ALL AWESOME AND FULL OF AWESOME INFORMATION.
     
  22. CoRoMo

    CoRoMo Member

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    The stock would be made for, and attached to, the receiver, not the barrel. That 15" barrel doesn't mean anything more or less than the 2" barrel.
     
  23. LoneCoon

    LoneCoon Member

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    On your form 4, it specifically asks for barrel length.
     
  24. CoRoMo

    CoRoMo Member

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    I know, but you said the stock would be made for the barrel. That doesn't make sense.

    You can list 2", 4", 6", 8", 10", 12", & 15" on the F4.
     
  25. PTK

    PTK Member

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    Yes, I have had a F1 rejected for multiple barrel lengths. I was told to put ONE length and that's that. Simple fix, but it delayed things a short while.
     
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