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Thread: Going crazy with first SBR build questions-10.5/11.5/12.5?

  1. #21
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    Having a 7.5", 8", 10.5", 11.5", 14.5" and a 16". I always reach for the 10.5 or 11.5. I love the size with or without a can.

  2. #22
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    [QUOTE=Sarah;1448841]


    this is my first SBR and I want to do it right, I dont' mind paying for quality but don't want to overpay. I'd much rather spend $$$ on getting the best set up for me than on dumb shoes, clothes and handbags
    AWESOME!
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  3. #23
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    If you are counting ounces. I think the centurion arms rails are the lightest to fit a standard barrel nut. They are nice rails too.

  4. #24
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    Quote Originally Posted by tb-av View Post
    If you are counting ounces. I think the centurion arms rails are the lightest to fit a standard barrel nut. They are nice rails too.
    Even compared to Troy Alpha tubes?

    Not being sarcastic, genuinely curious.

  5. #25
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    I have a 10.3 and a 12.5 sbr. When I did my 10.3 I wanted to go as short as possible. I also have an AAC Mini4. The rifle is nice and short and runs 100% with and without the can.
    I built the 12.5 after selling an upper that I did not use anymore. I find myself going to the 12.5 much more than the 10.3 for two reasons.
    1.) The 12.5 is much more accurate.
    2.) The 12.5 is much quieter and has virtually zero flash with the Mini4 attached.
    "Perfect Practice Makes Perfect"
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  6. #26
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    Quote Originally Posted by Sarah View Post

    I'd much rather spend $$$ on getting the best set up for me than on dumb shoes, clothes and handbags

    What is wrong with a good pair of duty boots, BDUs, and range bags?!!?

  7. #27
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    [QUOTE=Sarah;1448841]


    Well I don't know what I'd be compensating for....I'm a 100lb chick with more than adequate rack LOL.


    I stand corrected. Sorry and thank you

    Looks like you're being lead down the right path though, and leaning towards the idea:

    10.5<11.5>12.5

    Good luck, have fun piecing it together, and happy shooting
    “Twenty years from now you will be more disappointed by the things you didn’t do than by the ones you did do. So throw off the bowlines, sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.”
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  8. #28
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    Quote Originally Posted by Gun View Post
    What is wrong with a good pair of duty boots, BDUs, and range bags?!!?
    Oh I have some great duty boots...one set in black, one in tan, a few nice BDU's and about 5 different colored range bags, about 5 belts, (and no not anything is pink, I DETEST anything pink and will not wear or shoot anything pink LOL)
    SS


    "All you need for happiness is a good gun, a good horse, and a good wife." -Daniel Boone

    "You have to accept whatever comes and the only important thing is that you meet it with courage and with the best that you have to give." -Eleanor Roosevelt

  9. #29
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    BCM 11.5" BFH (Or a Centurion 11.5") is solid, stick with that.

    Handguard - the DD 9.0 Lite is good if you want rails on all four (lighter than the TROY bravo equivalent).
    The TROY/VTAC Extreme is among the lightest handguard options, but...
    The Noveske NSR 9.0 is going to be even lighter than that. I'd go VTAC if you don't want the keymod setup (my 9.0 VTAC-X SBR is very light).

    Rainier did have a really good price on the AAC Mini4 22 cal can (I think it was just under 7 bills), so that might be the can to look at value wise if you're after a light, functional dual stamper. That setup would be the same overall length as a Mk18 (10.5" Bbl) with a full size can, but it would run a bit lighter for sure. It'll run just fine with an A2FH until you get the Form 4 Stamp in for the can (in pistol or SBR form) and be a really light rifle.

    Next details are what stock, grip, and weaponlight configuration you're going to want to run (pretty much assuming Aimpoint T-1 on LT/ADM/DD lower 1/3 mount)?
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  10. #30
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    I'd get a KAC 11.5'' SBR, and stick a SYRAC gas block on it. Then you get the ambi lower, and E3 bolt.

    Maybe stick the LMT Enhanced carrier in it anyway for good measure, along with VLTOR A5 system.
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  11. #31
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    [QUOTE=Sarah;1448841]


    Well I don't know what I'd be compensating for....I'm a 100lb chick with more than adequate rack LOL.
    Its not true without pictures

    Back on topic
    Here are some pics that might help. An AAC M4-2000 adds 5.1". The SBR is a a Noveske 10.5 with SB and the top rifle is a Shrubmaster carbine 16 with them correctly lined up. The tape measure and pencil are close to accurate, but maybe a little off due to angles of camera. It should give you and idea of what the difference in length is and with a M4-2000. I have an M4-2000, but its hunting right now on a 14.5, so can't photograph it right now Good luck let us know what you choose



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  12. #32
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    Quote Originally Posted by N.Franklin View Post
    KAC SR15 SBR without the flip up sight gas block.
    I am glad someone else recommended this. I have the 16" SR15 and have no complaints on reliability. So much in fact that I plan to get the SBR, 11.5" version to add to my stable. Completely ambidextrous lower, nice rail with front and rear BUIS standard.
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  13. #33
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    Quote Originally Posted by The Rat View Post
    Even compared to Troy Alpha tubes?

    Not being sarcastic, genuinely curious.
    Actually you may be correct. Centurion advertises theirs are the "lightest and most rigid" that clamp to a standard nut.

    Cent. 10.7 w/screws
    Alpha 8.6 no mention of screws -- also not sure but I guess you need to add sling mounts and the Cent has them built in.
    Last edited by tb-av; 11-24-12 at 07:14.

  14. #34
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    Quote Originally Posted by hotrodder636 View Post
    I am glad someone else recommended this. I have the 16" SR15 and have no complaints on reliability. So much in fact that I plan to get the SBR, 11.5" version to add to my stable. Completely ambidextrous lower, nice rail with front and rear BUIS standard.
    It's not completely ambidextrous.
    I might disagree with your religion, your politics, your TTPs, and your use (or slaughter) of the English language. But make no mistake, I would still fight beside you in defense of freedom.

  15. #35
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    OP - you're awesome! Guns and horses...bravo!

    I'd definitely lean towards a longer barrel length. MK18-type SBRs are awesome, but for an all-purpose SBR I like longer barrels for reasons already mentioned.

    Here's my 12" SBR with a 556-212 next to a 16" Recce. Around same length with can on. Still lightweight, short enough, decent suppression, and no flash. Still under 10lbs loaded.


    I'm 6'1 and 190lbs and it feels real small to me. My wife's your size and has no problems handling it either.


    And pretty accurate at distance, with the detachable 3x

    Last edited by munch520; 11-24-12 at 17:01.

  16. #36
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    Quote Originally Posted by Koshinn View Post
    It's not completely ambidextrous.
    What about the lower is not completely ambi? Ambi selector, mag release and bolt release. You know something I don't?
    ETC (SW/AW), USN (1998-2008)
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  17. #37
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    Quote Originally Posted by hotrodder636 View Post
    What about the lower is not completely ambi? Ambi selector, mag release and bolt release. You know something I don't?
    Think about it, chief.

    What do you do when you clear your weapon?
    Last edited by Koshinn; 11-24-12 at 17:22.
    I might disagree with your religion, your politics, your TTPs, and your use (or slaughter) of the English language. But make no mistake, I would still fight beside you in defense of freedom.

  18. #38
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    [QUOTE=M4Fundi;1449866]
    Quote Originally Posted by Sarah View Post

    Its not true without pictures
    I was wondering how long before someone said this...

  19. #39
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    OP,
    I went with a 11.5 BCM ss. Works great so far, only a few hundred rounds. All research and shooting other sbr's led me to this as the sweet spot for short and suppressed. Pretty damn accurate too. Gonna stretch it this weekend and see...

  20. #40
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    [QUOTE=Wake27;1450314]
    Quote Originally Posted by M4Fundi View Post

    I was wondering how long before someone said this...
    well I'm not trying to get too OT but there may be photo evidence of in my user profile photos.......

    anyway I think I have decided on 11.5, I just now need to come up with the best and lightest choices for the rest of the upper...

    since this is my first build and my first SBR I'm wanting to do it right...as far as choosing the BCG, buffer system, charging handle, etc, I'm trying to figure out....any advice is welcome!
    Last edited by Sarah; 11-25-12 at 22:01.
    SS


    "All you need for happiness is a good gun, a good horse, and a good wife." -Daniel Boone

    "You have to accept whatever comes and the only important thing is that you meet it with courage and with the best that you have to give." -Eleanor Roosevelt

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