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Posted: 9/24/2018 8:42:43 PM EDT
[#1]
White Oak Armamemt maybe worth looking at. I know they do a bunch of non-standard lengths.
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Posted: 9/24/2018 9:12:09 PM EDT
[#2]
Quoted:
Need something non standard made for an AR related project |
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Posted: 9/24/2018 9:33:55 PM EDT
[#3]
Not length. Other dimensional mods
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Posted: 9/24/2018 9:38:27 PM EDT
[#4]
might have to pay for it but I would try a local custom machine shop.
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Posted: 9/24/2018 9:43:33 PM EDT
[#5]
someone used to make a fatboy tube
ETA: PRI makes it. |
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Posted: 9/24/2018 10:43:08 PM EDT
[#6]
I had a few built by a machine shop
gave them some 1/4" non seemed SS tubing to turn down to match the ends of a gus tube to make super gas tubes for f/a. |
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Posted: 9/24/2018 10:56:35 PM EDT
[#7]
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Posted: 9/25/2018 12:31:54 AM EDT
[#8]
Pretty sure Craig, “CMSENGINE” can do it.
@CMSENGINE |
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Posted: 9/26/2018 4:34:03 PM EDT
[#9]
Black River Tactical has gas tubes that you can specify what diameter port it has, effectively controlling gas without having to worry about an adjustable gas block. I have one coming for a 10.5 upper that will be exclusively suppressed.
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Posted: 9/26/2018 6:58:45 PM EDT
[#10]
Quote HistoryQuoted:
Black River Tactical has gas tubes that you can specify what diameter port it has, effectively controlling gas without having to worry about an adjustable gas block. I have one coming for a 10.5 upper that will be exclusively suppressed. nailed it. .0625 for 14.5 carbine? |
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Posted: 9/26/2018 7:13:59 PM EDT
[#11]
Quote HistoryQuoted:
@thegunslinger nailed it. .0625 for 14.5 carbine? A Colt 14.5in M4 barrel has a .062 gas port, decent choice for all around use. |
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Posted: 9/26/2018 7:57:04 PM EDT
[#12]
Quote HistoryQuoted:
Suppressed/unsup? Ammo? A Colt 14.5in M4 barrel has a .062 gas port, decent choice for all around use. m193 mostly looks like .0625 or .061 are options. Wonder if .61 is too small Curious what @Amphibian thinks |
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Posted: 9/26/2018 8:05:47 PM EDT
[#13]
Quote HistoryQuoted:
No suppressor m193 mostly looks like .0625 or .061 are options. Wonder if .61 is too small Curious what @Amphibian thinks |
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Posted: 9/26/2018 8:12:02 PM EDT
[#14]
I could probably drill the .061 tube out to .0625 (1/16) if it's too small with a cordless drill ... right?
do you think constricting the gas at the tube will cause it to erode and open up to the gas block port size? |
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Posted: 9/26/2018 8:18:05 PM EDT
[#15]
Quote HistoryQuoted:
I could probably drill the .061 tube out to .0625 (1/16) if it's too small with a cordless drill ... right? do you think constricting the gas at the tube will cause it to erode and open up to the gas block port size? I'm sure the gas tube will erode over time. Will depend on round count/shooting schedule. Probably be like shooting out a barrel. Depends on the acceptable amount of wear to you. |
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Posted: 9/26/2018 9:04:43 PM EDT
[#16]
Quote HistoryQuoted:
I had a few built by a machine shop gave them some 1/4" non seemed SS tubing to turn down to match the ends of a gus tube to make super gas tubes for f/a. |
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Posted: 9/26/2018 9:27:50 PM EDT
[#17]
Quote HistoryQuoted: How did they turn out? I think gas tubes are often overlooked as failure points, especially when applied to high rates of fire. Since I run mostly govt profile its not worth using them |
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Posted: 9/27/2018 7:01:23 PM EDT
[#18]
Quote HistoryQuoted:
It'll be just fine with .061. M193 is plenty hot. I'd go H2 but you might have to go H1 buffer, plenty of lube till its broken in and port erodes a little. I like smaller rather than bigger with port sizes to an extent. Quote HistoryQuoted:
Quoted:
No suppressor m193 mostly looks like .0625 or .061 are options. Wonder if .61 is too small Curious what @Amphibian thinks You can always open it up bigger...cordless drill is fine...I'd agree that it will get eroded faster than if you used a port restricted gas block though..but as others mentioned, all comes down to your firing schedule |
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