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Posted: 12/20/2005 1:49:03 PM EDT
I'm wanting to build an SP1 clone capable of shooting the heavier 5.56 loads.
Does anyone make a 20" 1/7 twist chrome lined A1 profile barrel? I haven't been able to find one. Only other thing I could figure is to order one of the Sabre 1/7 barrels from Talon Arms and have it turned down at ADCO. Of course then I'd have to find an A1 upper with M4 cutouts...  If I do have an A2 profile turned, is the area between the gas block and the muzzle the only area that needs to be reduced to make it an A1 profile?ETA: 20" |
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Posted: 12/20/2005 2:46:42 PM EDT
[#1]
Colt makes them. |
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Posted: 12/20/2005 2:59:47 PM EDT
[#2]
+1 Colt is the only one I know of, I have a Bushy one but it's 1/9
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Posted: 12/20/2005 10:46:38 PM EDT
[#3]
Are the Colts' still in production?
I'm kinda ascared to ask, but how would I go about getting one? |
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Posted: 12/20/2005 10:48:31 PM EDT
[#4]
Yes they are You can find one here www.specializedarmament.com |
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Posted: 12/20/2005 11:05:08 PM EDT
[#5]
CMMG Makes them.
there 14.7" with perm A2  they have them in 14.5" and 16" too. |
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Posted: 12/21/2005 12:10:17 AM EDT
[#6]
Whoops, left a spec out- I'm looking for a 20" barrel.
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Posted: 12/21/2005 12:18:03 AM EDT
[#7]
tag
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Posted: 12/21/2005 12:24:22 PM EDT
[#8]
Bump for the
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Posted: 12/21/2005 2:05:42 PM EDT
[#9]
Watch the EE - the Colts have been known to pop up.
Mine's not for sale 
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Posted: 12/27/2005 4:58:29 AM EDT
[#10]
I'm working on an M16A4 clone right now. I've got an Colt HBAR barrel for it, but is that the correct barrel? Does anyone manufacture a 20" 1/7 barrel that is pencil-thin under the handguards, and standard diameter in front of the FSP? I'd like to shave some weight off of the weapon without compromising the appearance, if possible. |
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Posted: 12/27/2005 6:32:28 AM EDT
[#11]
HBAR isn't correct for an M16A4, what you want is a "goverment profile" (AKA A2 profile) 20" 1/7 chrome lined barrel that is light under the handgaurds. CMMG, Colt (available from Specialized Armament), and Bushmaster all make barrels like that. |
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Posted: 12/27/2005 5:23:52 PM EDT
[#12]
53Vortec:
Thanks for the info! One more question: during extended rapid fire, does the HBAR have an advantage over the government profile barrel, in terms of heat dissipation? I'm thinking about buying a Beta C-mag and using the weapon for some fun at the range in a poor-man's LMG role. Would this be a bad idea with the pencil barrel, or would it not matter with only 100 rounds total being fired? |
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Posted: 12/27/2005 5:29:15 PM EDT
[#13]
I have a SP1 upper that is a Chromed and 1/7 20" barrel. I got it off of the EE for $250.
Check the EE..there was a Colt SP1 upper on there last week for sale.. |
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Posted: 12/27/2005 5:38:40 PM EDT
[#14]
ar15.com/forums/topic.html?b=3&f=118&t=261403
Everyone wants pencil barrels... not a bad idea though. Pencil barrels are more practical than most barrel offerings nowadays. |
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Posted: 12/27/2005 5:50:43 PM EDT
[#15]
I have one of these, I am not sure if they were a limited run, or what.
I think J&T has1/9 Colt pencil barrels listed for sale "por" |
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Posted: 12/27/2005 6:29:28 PM EDT
[#16]
What's the SAW part number? I couldn't find a 20" 1/7 LWT barrel in their selection. $395 is pretty steep for a barrel, but if your project requires it, you gotta pay. BTW, I'd pay that for a new barrel, so I could chop it for my next Dissy upper project. |
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Posted: 12/27/2005 6:59:51 PM EDT
[#17]
You could call Bushy. I know they make custom barrel twists on order...
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Posted: 12/27/2005 8:51:35 PM EDT
[#18]
Just finished reading that thread- I think they have meds for obsessive compulsive disorder nowadays. 
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Posted: 12/27/2005 9:01:34 PM EDT
[#19]
Well, after looking into the various options the best bet seems to be going with CMMG's A4 barrel and having them turn it down, or finding a Colt used.
The concept behind this project was to have a rifle that handles like an A1, but would shoot the heavier bullets. After breaking it down, however, I think this project would cost more than it would be worth- I need to put more money into the .308s  Out of curiosity, however (which is 1/2 why I was thinking of doing this), does anyone have any idea how well a floated light barrel will shoot? |
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Posted: 12/28/2005 2:38:01 AM EDT
[#20]
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Posted: 12/28/2005 3:50:24 AM EDT
[#21]
Yeah, but they don't have them. I've recently called and asked. |
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Posted: 12/28/2005 7:46:26 PM EDT
[#22]
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Posted: 12/29/2005 1:49:02 AM EDT
[#23]
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