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Posted: 6/28/2016 3:21:39 PM EDT
[#1]
Check ebay for small quantities of aeroshell 33ms. You can get a 5ml container for about $4 shipped.
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Posted: 6/28/2016 3:32:52 PM EDT
[#2]
Quote HistoryQuoted:
Check ebay for small quantities of aeroshell 33ms. You can get a 5ml container for about $4 shipped. Where are you finding it for $4 shipped on Ebay? OP, where in TX are you located? If you're local to me, I will give you some AeroShell 33MS/ Grease 64. |
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Posted: 6/28/2016 3:49:27 PM EDT
[#3]
There are actually quite a few types of grease you can use, I use a purple moly from the local auto parts store, I think I paid $3.39 for a tube of it, just make sure it does not have any graphite in it and use very sparingly, it does not take much. This is one of the spots that a little dab with do ya!
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Posted: 6/28/2016 3:54:19 PM EDT
[#4]
Quote HistoryQuoted:
Where are you finding it for $4 shipped on Ebay? OP, where in TX are you located? If you're local to me, I will give you some AeroShell 33MS/ Grease 64. Quote HistoryQuoted:
Quoted:
Check ebay for small quantities of aeroshell 33ms. You can get a 5ml container for about $4 shipped. Where are you finding it for $4 shipped on Ebay? OP, where in TX are you located? If you're local to me, I will give you some AeroShell 33MS/ Grease 64. I am in west Houston, you? http://www.ebay.com/itm/Aeroshell-33ms-Barrel-Nut-Grease-for-AR-5-56-7-62-Varies-Quantities-/261676205673?var=&hash=item3ced1e0669:m:m4WqtDE6hDlI85X2KwVtZZA&vxp=mtr http://www.ebay.com/itm/AeroShell-33MS-Barrel-Grease-for-A-R-5-56-7-62-5-ML-LOT-OF-1-x-5ml-JAR-/261618984266?cmd=ViewItem&hash=item3ce9b4e54a:g:9f4AAOSwd4tUJf4u |
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Posted: 6/28/2016 5:20:19 PM EDT
[#5]
is 5 ml enough for one barrel nut and two other complete builds? Will the red line 80402 work if I don't want to pay extra to get a small batch of aeroshell?
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Posted: 6/28/2016 7:44:29 PM EDT
[#6]
Quote HistoryQuoted:
There are actually quite a few types of grease you can use, I use a purple moly from the local auto parts store, I think I paid $3.39 for a tube of it, just make sure it does not have any graphite in it and use very sparingly, it does not take much. This is one of the spots that a little dab with do ya! Why no graphite? |
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Posted: 6/28/2016 7:46:18 PM EDT
[#7]
this is the stuff i use, get it at Wally World for around $4-5 a tube, it works great!
 Bruce |
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Posted: 6/28/2016 7:52:39 PM EDT
[#8]
Quote HistoryQuoted:
Why no graphite? Quote HistoryQuoted:
Quoted:
There are actually quite a few types of grease you can use, I use a purple moly from the local auto parts store, I think I paid $3.39 for a tube of it, just make sure it does not have any graphite in it and use very sparingly, it does not take much. This is one of the spots that a little dab with do ya! Why no graphite? Graphite can cause corrosion on the upper. |
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Posted: 6/28/2016 8:22:06 PM EDT
[#9]
I use the blue never seize. Contains no graphite and designed for aluminum
PM me your address if can't find anything and I'll mail you enough for a couple uppers |
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Posted: 6/28/2016 8:40:51 PM EDT
[#10]
Quote HistoryQuoted:
Why no graphite? Quote HistoryQuoted:
Quoted:
There are actually quite a few types of grease you can use, I use a purple moly from the local auto parts store, I think I paid $3.39 for a tube of it, just make sure it does not have any graphite in it and use very sparingly, it does not take much. This is one of the spots that a little dab with do ya! Why no graphite? Graphite is corrosive to aluminum. I use a small dab of gray, graphite free antiseaze. But really any good quality grease will work fine. |
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Posted: 6/28/2016 10:02:35 PM EDT
[#11]
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Posted: 6/28/2016 10:12:22 PM EDT
[#12]
Quote HistoryThis is what I have been using for a very long time now, on my guns, my trucks, my winches, my tractors, my bearings and anything else that needs to be slickery! http://www.oreillyauto.com/site/c/detail/MP02/90374/N0417.oap?ck=Search_N0417_-1_2784&pt=N0417&ppt=C0139 |
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Posted: 6/28/2016 11:15:21 PM EDT
[#13]
I've used Valvoline synthetic grease on a half dozen builds with no problems.
I wonder if we overthink this. I'm sure Aeroshell is good grease, but I don't think there is anything exclusively special about it. I would venture a guess that the only reason it is "mil spec" is because Shell won a contract for government grease. Then, presto! The government specification for barrel nut grease now happens to be the exact same specs as Aeroshell. Other than staying away from graphite to prevent a galvanic reaction, I don't think something as basic as a barrel nut requires unobtanium encapsulated unicorn tears. It is not a demanding or high wear area where parts are in constant motion. The grease is simply a lubricant to prevent galling of the softer aluminum and allow for a consistent torque of the barrel nut during installation. And with a 50 lb spread between the minimum and maximum, even the torque specs have a pretty big margin for error that I doubt will be noticably affected by using one brand grease vs. another. |
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Posted: 6/28/2016 11:55:58 PM EDT
[#14]
Quote HistoryQuoted:
Graphite is corrosive to aluminum. I use a small dab of gray, graphite free antiseaze. But really any good quality grease will work fine. Quote HistoryQuoted:
Quoted:
Quoted:
There are actually quite a few types of grease you can use, I use a purple moly from the local auto parts store, I think I paid $3.39 for a tube of it, just make sure it does not have any graphite in it and use very sparingly, it does not take much. This is one of the spots that a little dab with do ya! Why no graphite? Graphite is corrosive to aluminum. I use a small dab of gray, graphite free antiseaze. But really any good quality grease will work fine. Indeed but mil-std-889 discussing "dissimilar metals" in 30.4 talks about maximum protective effectiveness treatment for aluminum being anodic treatment aka anodizing which most all lowers/uppers are. So wouldn't worry about coated aluminum parts. What are you worried about is going to corrode? |
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Posted: 6/29/2016 12:01:35 AM EDT
[#15]
Quote HistoryQuoted:
this is the stuff i use, get it at Wally World for around $4-5 a tube, it works great! http://i1202.photobucket.com/albums/bb379/devildogandboy/P1000148.jpg Bruce I've been using that same stuff for years. Never had an issue. |
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Posted: 6/29/2016 12:37:29 AM EDT
[#16]
I know for a fact that a lot of people are over thinking this stuff.
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Posted: 6/29/2016 10:12:45 AM EDT
[#17]
Quote HistoryQuoted: I've been using that same stuff for years. Never had an issue. Quote HistoryQuoted: Quoted: this is the stuff i use, get it at Wally World for around $4-5 a tube, it works great! http://i1202.photobucket.com/albums/bb379/devildogandboy/P1000148.jpg Bruce I've been using that same stuff for years. Never had an issue. yep, really makes a big difference you can feel when cranking down on that barrel nut! Bruce |
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Posted: 6/29/2016 10:28:12 AM EDT
[#18]
When you can get the exact specified product for only $6 why dick around with anything else. Here is what I use.
Shell Aero |
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Posted: 6/29/2016 10:37:10 AM EDT
[#19]
Quote HistoryQuoted: yep, really makes a big difference you can feel when cranking down on that barrel nut! Bruce Quote HistoryQuoted: Quoted: Quoted: this is the stuff i use, get it at Wally World for around $4-5 a tube, it works great! http://i1202.photobucket.com/albums/bb379/devildogandboy/P1000148.jpg Bruce I've been using that same stuff for years. Never had an issue. yep, really makes a big difference you can feel when cranking down on that barrel nut! Bruce |
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Posted: 6/29/2016 10:43:06 AM EDT
[#20]
I will probably just get this from Home Depot. Seems to match the BCM instructions for their barrel nut on their KMR installation instructions.
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Posted: 6/29/2016 12:40:57 PM EDT
[#21]
I use wheel bearing grease. $2 for a lifetime supply.
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Posted: 6/29/2016 1:13:08 PM EDT
[#22]
A more common grease from the motor pool could have been specified, instead they choose to use an aviation grease.
Seems likely aviation grease formulations are friendlier to mixed steel and alum parts. Shell is not the only one who manufacturers grease that meets that mil-spec. Because the mil-spec grease is well proven over time and in all environments by the military I will personally continue to use the readily available mil-spec grease. |
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Posted: 6/29/2016 1:18:48 PM EDT
[#23]
Meh, I just use the same grease I use for my mountain bikes.
Of the 20 or so uppers I've put together, I've yet to have a problem. |
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Posted: 6/29/2016 4:54:46 PM EDT
[#24]
Grease eventually dries out and hardens, especially synthetic grease. I use anti-seize...the silver colored stuff for automotive applications.
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Posted: 6/29/2016 5:07:02 PM EDT
[#25]
Quote HistoryQuoted:
is 5 ml enough for one barrel nut and two other complete builds? Will the red line 80402 work if I don't want to pay extra to get a small batch of aeroshell? If 5ml is that little plastic container with the black lid in the images on the eBay links you posted, yes 5ml will be plenty. I got a handful of those little plastic jars off of eBay a yr or so ago. I've done several builds since then and haven't used 1/5 of one of those little plastic jars. I don't skimp on the grease either. I put it on the upper receiver threads, the barrel extension and the buffer tube threads. It doesn't require much. |
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Posted: 6/30/2016 10:22:53 AM EDT
[#26]
Quote HistoryQuoted: I know lubing aluminum on aluminum threads prevents galling the threads (not the same issue here), and I know that lubing the barrel nut threads will give a smooth pull for accurate torquing, but aside from the moly issue - has anyone ever seen the nut/upper threads corrode from water intrusion and contaminated grease? Quote HistoryQuoted: Quoted: Quoted: Quoted: this is the stuff i use, get it at Wally World for around $4-5 a tube, it works great! http://i1202.photobucket.com/albums/bb379/devildogandboy/P1000148.jpg Bruce I've been using that same stuff for years. Never had an issue. yep, really makes a big difference you can feel when cranking down on that barrel nut! Bruce Bruce |
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Posted: 6/30/2016 10:42:56 AM EDT
[#27]
Quote HistoryQuoted:
Meh, I just use the same grease I use for my mountain bikes. Of the 20 or so uppers I've put together, I've yet to have a problem. Putting it together is not the issue. The issue is with taking it apart down the road. |
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Posted: 6/30/2016 11:53:04 AM EDT
[#28]
I emailed BCM. All they would say was "Milspec requires moly based lubricant. Look for the designation mil-prf 83483".
Googling that pulls up Loctite Moly 50 antiseize. But their KMR installation instructions say to use white lithium grease or moly paste... |
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Posted: 7/1/2016 11:54:00 AM EDT
[#29]
We us the 1 qt containers of Molybdenum Disulfide Grease or anit seize grease.
CD |
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Posted: 7/1/2016 12:10:42 PM EDT
[#30]
Quote HistoryQuoted:
Putting it together is not the issue. The issue is with taking it apart down the road. Quote HistoryQuoted:
Quoted:
Meh, I just use the same grease I use for my mountain bikes. Of the 20 or so uppers I've put together, I've yet to have a problem. Putting it together is not the issue. The issue is with taking it apart down the road. Which I have also done, many times. |
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Posted: 7/1/2016 6:44:15 PM EDT
[#31]
I use Super Lube synthetic grease for every AR part that needs greasing, including the barrel nut.
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Posted: 7/1/2016 7:04:50 PM EDT
[#32]
I bought this 10 years ago based on what I read on this forum.
At my current build rate, I can put uppers together for another 50 years. |
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