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Thread: Long barrel for velocity or short barrel for moving?

  1. #1
    Sharpshooter Limpy88's Avatar

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    Long barrel for velocity or short barrel for moving?

    Building a 350 legend ar.
    Can't decide on what barrel
    What I find with out custom orders

    18" 1/16 twist
    16" 1/15 or 1/16 twist
    13" 1/14 twist

    Will be shooting 200 gr hunting loads as well as 124 gr 9mm bullets

    This will be a fun/hunting gun

    A velocity test with cutting down a barrel inch by inch showed only 124fps between 18" and 13" with the Winchester 147gr target ammo. Really not much. I will be handloading with the once fired brass. So i can make that up with good reload.

    https://mos-tek.com/data


    Obviously a 13" with require a pistol brace.

    I just cant decide to many choices.
    I only want one 350 legend AR.
    Not one for every occasion.


    What are your thoughts?
    Living over here in left field

  2. #2
    Master

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    i would go with 16" , that way you are still a rifle & still have a good size for movement..
    I have a ruger 77/357 with a 16.1" BBL and it is great.. I don't think it needs to be shorter

  3. #3
    Master Hohn's Avatar

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    With such a minor speed loss Id be going as short as possible.

    It depends on whether you feel a brace lets you get the full range you want. Id probably find a way to get that short barrel barely over the 16 with a permanent muzzle device if it was me. Not because you need the extra length for speed but because using a rifle lower has perceived advantages in the woods.

    If you feel like you can get good cheek weld from a brace setup, then go pistol and be done with it.

  4. #4
    Sharpshooter Limpy88's Avatar

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    Quote Originally Posted by Hohn View Post
    With such a minor speed loss Id be going as short as possible.

    It depends on whether you feel a brace lets you get the full range you want. Id probably find a way to get that short barrel barely over the 16 with a permanent muzzle device if it was me. Not because you need the extra length for speed but because using a rifle lower has perceived advantages in the woods.

    If you feel like you can get good cheek weld from a brace setup, then go pistol and be done with it.
    Do you mean a rifle stock?
    Living over here in left field

  5. #5
    Master Sniper 79's Avatar

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    Short as possible for my vote. Pistols are wonderful and real world shooting you'll never miss the velocity drop.
    I wont be wronged, I wont be insulted, and I wont be laid a hand on.

  6. #6
    Master Hohn's Avatar

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    Quote Originally Posted by Limpy88 View Post
    Do you mean a rifle stock?
    Yes, using a rifle stock lower might have perceived advantages in the woods.

  7. #7
    Marksman

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    14.5 with a welded muzzle device. Because when you swinging a rifle, 3 inches doesnt make a difference but a rifle stock will be much more comfortable to shoot.


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  8. #8
    Sharpshooter Limpy88's Avatar

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    Well in my hesitation. All the pistol barrels sold. So I had to settle for a 16". I may see about cutting down to pistol length when it shows up.
    Living over here in left field

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