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Thread: Overall length - 14.5" vs 14.7"

  1. #1
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    Overall length - 14.5" vs 14.7"

    I'm looking to meet the minimum requirements of barrel length. I see a lot of people mention 16.1", is there a reason it has to be 16"? The gun laws where I live state "rifles with barrel lengths less than sixteen inches;" so I would interpret that as a 16" overall length would be fine.

    At the moment I have a 14.5" Barrel with a Smith Vortex FH and it JUST fits into a discreet case of mine which I like. When I say it JUST fits, I mean its actually a little bit to big and I have to almost stretch the case to fit it in.

    I'd like to shave off a tiny bit of length if possible as even a couple millimeters might make enough of a difference.

    Right now I'm having a barrel cut and re-profiled and I figure it would be the perfect opportunity to get it to the exact length I want. I plan on using a BattleComp 1.0 on it and I was originally planning on having it cut to 14.7" but I'm wondering if that would put me at 16.1" with a crush washer and BC1.0 installed. Would I be better off having it cut to 14.6"?

    I'd appreciate any help Thanks!

  2. #2
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    A BC1.0 WILL NOT put you over legal limit. BC 1.5 is for 14.5 barrels, and puts it at the legal limit.

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    Quote Originally Posted by jwfuhrman View Post
    A BC1.0 WILL NOT put you over legal limit. BC 1.5 is for 14.5 barrels, and puts it at the legal limit.
    I know, which is why I mentioned I'm having a barrel cut and I'd like to know the exact minimum length to have it cut to achieve the 16" on the dot.

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    Quote Originally Posted by buckjay View Post
    I know, which is why I mentioned I'm having a barrel cut and I'd like to know the exact minimum length to have it cut to achieve the 16" on the dot.
    Look man, it appears you are going to do what you're going to do regardless of what we tell you.

    Do you have a bare threaded muzzle now? Here's what you do.

    Close the bolt and stick a rod down the muzzle until it stops. Mark the rod and Measure it as precisely as possible.

    Now add whatever muzzle device you want. Repeat the above.

    From there you can figure out what length of barrel you will need to exactly meet 16 inches.

    We can all be real and say if your barrel is 15.9, even 15.5 or even 15...no one is really going to be able to tell its illegal. Even if the muzzle device is attached non-permanently and it puts you over 16". Who's gonna know? Unless you have an unfortunate encounter with a Law enforcement officer (which most are not even familiar enough to know 16" is the minimum barrel length) you're in the clear.

    What most of us do, is take the cover your ass approach. I'm assuming the guy measuring my bore length (if it ever happens, which we all will admit is almost never going to happen) is an idiot. If he makes the mark too far in the flash hider, and my bore is right at 16"...I'm below the limit now.


    The bottom line is, regardless of the improbability:

    Adding a tenth or even a quarter of an inch to an AR15 barrel is worth not being convincted of a crime that sends you to prison for 10 years.
    Last edited by Eurodriver; 08-03-11 at 21:06.
    Why do the loudest do the least?

  5. #5
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    I think 14.7 is the correct barrel length with a BC 1.0 to make 16"

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    Quote Originally Posted by Eurodriver View Post
    The bottom line is, regardless of the improbability:

    Adding a tenth or even a quarter of an inch to an AR15 barrel is worth not being convincted of a crime that sends you to prison for 10 years.
    Additionally though, I'd not perm attach a brake- it's a wear item and that extra 1.4 or so inches is not worth the hassle...

    YMMV

  7. #7
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    No offense, but if you're doing this just to fit the rifle in a bag, wouldn't it be easier to buy a bigger bag?

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    For awhile 14.5" barrels with permanently-mounted long flash hiders were all the rage. Nowadays you hardly ever see them, because a lot of folks discovered that there are times when you may actually need to take that thing off.

  9. #9
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    This belongs into the category of too much thinking. Trying to fit the weapon into the bag by altering it doesn't make sense.

    In addition you are not going to notice the handling or anything else by altering a few millimeters in this lifetime or any other.



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  10. #10
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    Apologies if I'm over thinking it.

    I was already going to have a 16" barrel cut to 14.7" and I figure it wouldn't hurt to do some homework and see what the actual minimum length I could cut it would be.

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