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Basic
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Posted: 4/17/2013 2:25:45 PM EST
For a plionker and something to hunt pigs with am i giving up anyhting with a shorter barrel?
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Posted: 4/17/2013 2:30:00 PM EST
Tends to be a tiny bit more fussy with ammo, if running cheap ammo in a 14.5 be sure to use a standard carbine buffer.
The highest form of ignorance is to reject something you know nothing about.
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Posted: 4/17/2013 2:39:16 PM EST
[Last Edit: 4/17/2013 2:42:45 PM EST by Rockyriver]
You won't notice any difference until you get past about 150 yds, The 14.5 does not seem to ring my metal gong target as hard as the 16 inch.
Here is my 16 inch being shot, while the 14.5's upper sits on the bench.
No matter the length barrel you choose get a mid length gas system, and not a carbine like I have pictured. The Mid makes the gun less fussy with ammo and the buffer weight.




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Posted: 4/17/2013 3:12:55 PM EST
You give up a little on fps but not much. Nothing that would make a difference for you application.
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Posted: 4/17/2013 5:17:41 PM EST
[Last Edit: 4/17/2013 5:20:19 PM EST by Hydra-shokz]
If I was not in the communist state that I am currently in I would go with a 16". I run mostly 14.5's now, since I have to pin and weld regardless of barrel length. Inside 500yds, I don't think 1.5" is going to make much of a difference.

ETA: I also recommend the mid-length gas in both 16 and 14.5".
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Posted: 4/17/2013 5:22:27 PM EST
thats what I am goiung for is the midlength, question what s the differncer with the Daniel Defense goverment profile or the LW profile?
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Posted: 4/17/2013 5:33:00 PM EST
I just don't see what the point of a 14.5" bbl is for civilian use. Pay $200 to take 1.5" off. You can save the tax stamp by pinning and welding a flash hider to make it 16" but then you have that in the way if you want to take your gun apart. Your muzzle velocity goes down a little. As for accuracy, when we switched to the M-4 from the M16-A2 (20" bbl to a 14.5"bbl) they moved our longest target to 250 meters from 300 meters. While I never really had a problem hitting the target, I did have problems seeing it sometimes.
BBL profile is a whole different question.
Are you just asking about profile or are you asking about the bbl construction as well?
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Posted: 4/18/2013 3:54:34 AM EST
Originally Posted By SHOOTERWEST:
thats what I am goiung for is the midlength, question what s the differncer with the Daniel Defense goverment profile or the LW profile?


With the LW profile when the barrel heats up you will see your groups opening up more. The government profile will take longer to heat up.
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Posted: 4/18/2013 4:00:38 AM EST
in non sbr configuration, I have found 14.5" to be a pain in the ass in regards to a perm FH and re arranging of the rifle. BRD is a bitch, and the perm FH makes changing the rifle mo difficult.

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Posted: 4/18/2013 4:10:29 AM EST
I've been in the USMC for 14 years now and can tell you I've seen no difference, other than weight, in going from the M16 to the M4. We still shoot targets at 500 yards and the accuracy is the same. I aactually shot a higher score the first time I went with an M4 over an M16.
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Posted: 4/18/2013 5:01:53 AM EST
I wouldn't have a 14.5 that wasn't an SBR. If you ever want to change rails, and you will, you're hosed.
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Posted: 4/18/2013 1:00:28 PM EST
Whats an SBR?
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Posted: 4/18/2013 1:54:49 PM EST
[Last Edit: 4/18/2013 2:01:24 PM EST by d5griffin]
Originally Posted By Superluckycat:
I wouldn't have a 14.5 that wasn't an SBR. If you ever want to change rails, and you will, you're hosed.


A perma flash muzzle device not stop you from changing rails. Your selection goes down, but there are many out there that use the standard barrel nut. You're limited as to gas blocks for the most part, but a cut down FSB is the best gas block available, so no worries there.

Only downside to a 14.5 is that you cannot change muzzle devices and you lose some velocity. Ultimately, 99.9% of the time you won't notice the loss in velocity and that is assuming you are in the .00001% of people int his world who use their AR15 against something trying to kill them.

A lot of the fuss of a 14.5 comes with the lesser velocity. When shooting FMJ velocity is very important. When you're shooting TSX or whatever bullet you choose for pigs velocity is not as important. Still important, just not as critical as the golden "fragmentation" velocities with FMJ, assuming you subscribe to all that jazz.

Either way its a matter of time before you have both
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Posted: 4/18/2013 2:17:57 PM EST
[Last Edit: 4/18/2013 2:18:35 PM EST by Cropslx]
Originally Posted By SHOOTERWEST:
Whats an SBR?


SBR = Short Barrel Rifle

Less than 16" you need a $200 stamp for = SBR...that does NOT include a 14 1/2 " rifle with a flash hider (permantly attached) that makes it extend to 16"
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Posted: 4/18/2013 2:48:38 PM EST
Don't be so open-minded that your brains fall out.

General education should not be mere training of the hands to work, but training of the mind to properly reason. http://www.welltrainedmind.com/classed.php
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Posted: 4/19/2013 9:52:37 AM EST
if i used a low profile gas block and somethign like an alpha free float tube., could i still change barrels without removing the flash attachment?
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Posted: 4/19/2013 10:47:16 AM EST
IMO, it's just not worth all the trouble to go to the 14.5''. It really does nothing for you and it causes all sorts of complications getting it tax stamped and all that. Go with a 16'' mid length gas system.
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Posted: 4/19/2013 10:52:25 AM EST
Originally Posted By hail2thevict0r:
IMO, it's just not worth all the trouble to go to the 14.5''. It really does nothing for you and it causes all sorts of complications getting it tax stamped and all that. Go with a 16'' mid length gas system.



I have a 14.5" and I don't need a tax stamp. A $35 dollar pin and weld job was all that was needed.
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Posted: 4/19/2013 11:06:23 AM EST
Originally Posted By SHOOTERWEST:
if i used a low profile gas block and somethign like an alpha free float tube., could i still change barrels without removing the flash attachment?


You can take the barrel off the upper receiver and replace it with another barrel. However, you won't be able to use that gas block or barrel nut without removing the muzzle device.

Pinning and welding is not a big deal if you have the correct tools needed to install and remove. Or use ADCO or someone local that can do it for you.

In NJ you would have to pin and weld a 30" barrel. This is why I choose to use 14.5". If I was in a normal state I would go 16" without hesitation. Or pay the $200 tax stamp.

16" is the smart answer, IMO.

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Posted: 4/19/2013 11:30:24 AM EST
Originally Posted By tharper2202:
Originally Posted By hail2thevict0r:
IMO, it's just not worth all the trouble to go to the 14.5''. It really does nothing for you and it causes all sorts of complications getting it tax stamped and all that. Go with a 16'' mid length gas system.



I have a 14.5" and I don't need a tax stamp. A $35 dollar pin and weld job was all that was needed.


Ok, but again - you have to go through all that trouble just to essentially make it a 16'' barrel without any of the improvements you get with an actual 16'' barrel. Just my opinion, a lot of unnecessary headache.
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Posted: 4/19/2013 11:30:49 AM EST

Originally Posted By raresheg:
Tends to be a tiny bit more fussy with ammo, if running cheap ammo in a 14.5 be sure to use a standard carbine buffer.

I don't know where you got this idea from. .mil issue M4's run great and use H1 buffers. I have a 14.5" midlength with an H3 that runs everything from Wolf to M193. I have not seen any evidence that 14.5" carbine systems are any less reliable or more finicky than 16" carbines.
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Posted: 4/19/2013 2:43:38 PM EST
Originally Posted By Rockyriver:
You won't notice any difference until you get past about 150 yds, The 14.5 does not seem to ring my metal gong target as hard as the 16 inch.
Here is my 16 inch being shot, while the 14.5's upper sits on the bench.
No matter the length barrel you choose get a mid length gas system, and not a carbine like I have pictured. The Mid makes the gun less fussy with ammo and the buffer weight.


<a href="http://s901.photobucket.com/user/Rockyriver1234/media/AR15%20Stuff/Apr28_0008.jpg.html" target="_blank">http://i901.photobucket.com/albums/ac216/Rockyriver1234/AR15%20Stuff/Apr28_0008.jpg</a>

<a href="http://s901.photobucket.com/user/Rockyriver1234/media/AR15%20Stuff/Apr28_0010.jpg.html" target="_blank">http://i901.photobucket.com/albums/ac216/Rockyriver1234/AR15%20Stuff/Apr28_0010.jpg</a>


I would think just the opposite, in that the Carbine Length would be less tempermental to ammo
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