11.75" or 12.5" Which barrel should i get for my new SBR? 5.56mm or 6.8mm SPC?

Discussion in 'Class III / NFA' started by SC-Texas, Aug 23, 2009.

  1. SC-Texas

    SC-Texas Moderator Moderator

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    Feb 7, 2009
    Houston, TX
    I am often asked what is the difference between the 10.5", 11.75" and the 12.5" barrels when I am preparing an NFA trust.

    Murderman, DevL, Myself did some testing at the Impact Zone a couple of weeks ago. Murderman finally compiled the results and posted them on ARFCOM.

    Murderman on ARFCOM was kind enough to post this. I thought some of the guys over here woudl find it interesting.


    Murderman wrote:
    resize_IMG_4262.jpg

    sbr_chrono_inet_Page_1.jpg

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  2. SC-Texas

    SC-Texas Moderator Moderator

    5,269
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    Feb 7, 2009
    Houston, TX
    Here are some photos taken with the Crackberry storm:

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    SCAR-H SD on the A - Bolt

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    12.5" 6.8


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    12.5" noveske

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    12/5" Denny's Operator


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    The Impact Zone's 100 yard range with Comp-Tac Bench

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    AAC SPR-M4



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    AAC SPR-M4


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    AAC 6.8 SPC M4-2000


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    A Fly on an AAC SPR-M4


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    Its the Partridge Family at 300 yards

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    Feeling undergunned? I think not!
     
  3. landin18

    landin18 Member

    hey does anyone have a 10.5 upper with rails that would be interested in an 11.5 upper with rails? Houston preferred.
     
  4. htxred

    htxred Active Member

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    inner loop houston
    thats cool, i think i ran into you guys that day, i drove out there in a avalon but saw that you guys were using the long range so we pulled back out and went back to the pistol bays. if i would of known it was you, i would of stopped and bothered you with thousands of questions. cool shit, hope to run into you in the future at impact.
     
  5. SC-Texas

    SC-Texas Moderator Moderator

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    Feb 7, 2009
    Houston, TX
    That was you.

    Should have stopped and come over.
     
  6. htxred

    htxred Active Member

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    Apr 6, 2008
    inner loop houston
    few of us will be out there tomorrow.
     

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