5.56 Pistol-What's the best barrel length.?

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  • SAWMAN

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    QUESTIONS for the experts. - - ->
    1. Why would 11.5 be better thsn 10.5 ?? And if that is true,wouldn't 12.5 be better thsn 11.5 ??
    2. At the closer ranges,IMO <50yds,why would 11.5 be better than 10.5 ?? ( Maybe choose your bullet/load more wisely)
    3. If your talking longer ranges ( 200yds+) why not just go with a 16 OR 14.5 with pinned brake for OAL of 16 inches.
    4. If you are ( one is ) worried about the weapon OAL,collapse the stock another inch or two and adjust scope/sights accordingly. ---- SAWMAN
     

    Duckyou

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    There are also a lot of guys that swear all you need is 2” - but I think they have other reasons for making that claim.

    In all seriousness, that is about all my Sig rattler in 300blk has and on my first trip to the range I was hitting clay pigeons at 125 yards with a MRO HD.
     

    Jdcujo

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    There are also a lot of guys that swear all you need is 2” - but I think they have other reasons for making that claim.

    In all seriousness, that is about all my Sig rattler in 300blk has and on my first trip to the range I was hitting clay pigeons at 125 yards with a MRO HD.
    Bit of difference though 5.56 optimized for longer barrels
    300 blackout basically designed from ground up for the shorter barrels.
     

    SAWMAN

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    The 300BLK dumps quite a bit of velocity also when you start getting <12-14 inches of bbl.
    It was designed to shoot HEAVY bullets ar the SUPER CLOSE ranges. Not 125's at 300yds. --- SAWMAN
     

    850guns

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    Well my multi caliber ar pistol build is complete! Thanks for all the input!
    I purchased some 7.5" 5.56 uppers. Fired 2 rounds unsuppressed. Put it back in case. I will be selling them in the future.
    I ended up finally finding a 12.5" 5.56 flat top upper, with a 12" M-Lok forend.
    The rest of my kit includes:
    10.5" 7.62x39
    7.5" .300blk
    4" 9mm
    4" .22lr
    Stil looking for bcg for 5.56 and 7.62x39.
    Thanks again for your help!
    And if anyone has a spare bcg for sale or just a complete bolt, send me a message.
     
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