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New SBR

Discussion in 'Black Rifle Forum' started by No_Stock_Glock, Dec 14, 2012.


  1. No_Stock_Glock

    No_Stock_Glock
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    Hey guys! I have an m&p 15, I just wanted to see what exactly was needed to go SBR, and what size barrel length and calibers would be best. Any help is appreciated.


    Thanks!
     

    Wanna kill these ads? We can help!
  2. larson1122

    larson1122
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    Living in California might make things a little difficult for you...
     

  3. No_Stock_Glock

    No_Stock_Glock
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    I plan on relocating soon. Hopefully. Lol wich is why I'm tryn to get some info on it.
     
  4. No_Stock_Glock

    No_Stock_Glock
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    Also, no 30 round mags for the AR's.:( but I found a way around that.��
     
  5. wct097

    wct097
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    Depends on your state, but in short:

    1. Fill out this form:
    http://www.atf.gov/forms/download/atf-f-5320-1.pdf

    2. Write a check for $200

    3. Send to ATF w/additional documentation depending on if you're doing it as an individual, trust, or corp

    4. Wait ~6 months

    5. SBR your gun.
     
  6. No_Stock_Glock

    No_Stock_Glock
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    What hardware is needed? Do u need to run gas, or piston?
     
  7. Mayhem like Me

    Mayhem like Me
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    Depends on how short.

    Gas impingement is fine , barrels shorter than 10 need a pistol gas tube, 10 -12.5 run with carbine systems.

    You need a gas tube barrel bolt headspaced to barrel and a gas block or front sight assembly / block combo.
     
  8. wct097

    wct097
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    You can run whatever you want. You'll have to search up specifics on the barrel length and caliber you're working with. If you're going to buy a new barrel, you should probably look at something designated "pistol" as it'll have the correctly matched gas or piston system.

    Most people build a pistol first, then put the stock on when the Form 1 comes back. Alternatively, you can purchase a factory SBR through a NFA dealer.

    My first SBR is going to be an 8.2" gas driven 300BLK. My Form 1 is pending at the end of October.

    Built as a pistol:
    [​IMG]

    Noveske 8.2" 300BLK barrel
    [​IMG]

    Compared to a 16" 5.56:
    [​IMG]

    Forgot to add that you need to engrave the gun with your name/trust/corp and city & state.
     
    #8 wct097, Dec 14, 2012
    Last edited: Dec 14, 2012
  9. faawrenchbndr

    faawrenchbndr
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    DirtyThirty fan
    CLM

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    What happens if I decide to SBR a rifle, get a trust, get the stamp
    then decide I want to move to another state. What then?
     
  10. wct097

    wct097
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    Assuming the state you're moving to doesn't prohibit the SBR:

    http://www.atf.gov/forms/download/atf-f-5320-20.pdf
     
  11. faawrenchbndr

    faawrenchbndr
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    DirtyThirty fan
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    Sweet,.......after the new year, I'm SBRing this,

    [​IMG]
     
  12. WoodenPlank

    WoodenPlank
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    Who?

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    Same form for any travel across state lines with it. It can be filled out for a 1 year date range and covers multiple trips.

    Sent from the USS Sulaco.
     
  13. Travclem

    Travclem
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    Badass Member
    Lifetime Member

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    Do it!
    [​IMG]
     
  14. faawrenchbndr

    faawrenchbndr
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    DirtyThirty fan
    CLM

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    I will,......leaving tomorrow for a few weeks.
    Late bow hunt in Washington state, and visit the In-Laws,
    but mainly for the bow hunting. :cool:

    Thanks for all the help guys.........:wavey:
     
  15. WoodenPlank

    WoodenPlank
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    Who?

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    Ok, now that I'm at my computer...

    OP: I have a 10.5" SBR built off an LMT upper receiver group and a Spike's stripped lower. I replaced the A-frame FSB with a YHM low profile gas block, and installed a Daniel Defense Mk. 18 RIS II rail system. The end result looks an awful lot like Travclem's photo above.

    If you plan to run suppressed, using a QUALITY gas pistol upper might not be a bad idea, but I don't see it as being 100% needed if you get a barrel with the right size gas port from the beginning.

    In any AR 15, the barrel and bolt carrier group are the most critical parts, and this runs doubly true in an SBR. Anything under 10.3" can be difficult to get running reliably.
     
  16. boomhower

    boomhower
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    If I was doing an SBR it would be with a BCM "Kino" upper.
     
  17. WoodenPlank

    WoodenPlank
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    Who?

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    I'd much rather have a folding front on a good quality rail than the Kino configuration. In the case of a 12" barrel, maybe try to track down a GL/SSC rail (and pay through the nose and both ears for it, I'm sure) or a similar length rail for it.
     
  18. vettely

    vettely
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    I did it the easy way (other than paperwork). Just bought a nice pistol DGI upper and put it on a rifle lower. Put in a extra heavy buffer also. Runs great.

    [​IMG]