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User Panel
User Panel
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Posted: 4/13/2006 7:03:17 AM EDT
[#1]
If it contains copper, it is advisable not to use it. Copper and subsequent moisture would be electrolytic and could cause corrosion. Stick with Lithium grease or molybdenum disulfide based grease.
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Posted: 4/13/2006 7:42:39 AM EDT
[#2]
Or use 10W-30/40 motor oil.
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Posted: 4/13/2006 7:49:42 AM EDT
[#3]
Bad suggestion/worse choice. Stick w/ desertmoon's suggestions: Lithium or molybdenum disulfide based grease, (I use the moly) Mike |
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Posted: 4/13/2006 7:55:13 AM EDT
[#4]
Have you used motor oil yet? Ive used it - no problems Many other people have used it - I havent heard a complain yet Bushmaster uses it (and they suggested it) - I havent heard any complaints yet |
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Posted: 4/13/2006 7:59:55 AM EDT
[#5]
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Posted: 4/13/2006 8:03:36 AM EDT
[#6]
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Posted: 4/13/2006 8:04:19 AM EDT
[#7]
That's what I use. That little tub will last you and 10 friends a lifetime. For only $8.50 it seems kinda silly NOT to use it. |
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Posted: 4/13/2006 8:05:13 AM EDT
[#8]
I saw the tech video. They were using motor oil. |
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Posted: 4/13/2006 11:07:50 AM EDT
[#9]
Is this something that most gun shops (Cabelas?) or hardware stores would carry or do I need to mail order? |
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Posted: 4/13/2006 11:42:15 AM EDT
[#10]
Most of the gun shops in my area don't have it but you could ask your favorite shops, if not you could order directly from the Bushmaster link that I posted. |
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Posted: 4/13/2006 1:07:37 PM EDT
[#11]
You can probably pick it up at any local auto parts store. That said, we did use Permatex anti-seize on barrel nuts in the armorer's class that I attended. 
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Posted: 4/13/2006 6:41:22 PM EDT
[#12]
Automotive stores should have it. A look for a bearing grease with moly, there are many brands. |
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Posted: 4/13/2006 7:05:08 PM EDT
[#13]
I bought this at Autozone or Auto whatever at the insistence of several others on the board. It is a huge tub and is likely to last forever
www.valvoline.com/pages/products/product_detail.asp?product=68 |
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Posted: 4/13/2006 7:33:40 PM EDT
[#14]
I used it on my barrel install. Somewhere on the tube it mentions it is OK on aluminum heads. I figured it would be OK to use on the receiver. |
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Posted: 4/14/2006 3:35:49 AM EDT
[#15]
Walmart has moly grease (really cheap stuff). For my first AR build I used Redline synthetic grease that I used for my cars.
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Posted: 4/14/2006 4:56:24 AM EDT
[#16]
I've used the Permatex on several builds. Never had a problem. I called Bushmaster and Colt on this. They said it was fine. Good luck, Mike |
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Posted: 4/14/2006 7:50:18 AM EDT
[#17]
Any particular reason you are FF a SBR???
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Posted: 4/14/2006 9:02:35 AM EDT
[#18]
No 
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Posted: 4/14/2006 9:11:33 AM EDT
[#19]
We hear so many folks with horror stories about Bushy barrel nuts being sooooo tight...wonder if someone is using motor oil in assembly there? I've broken quite a few Bushys loose and didn't ever notice any moly grease (messy).
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Posted: 4/14/2006 9:53:49 AM EDT
[#20]
I think they recommend moly because it doesn't wear off easily over time. Motor oil will disappear on bolt threads in a month in extreme conditions. Anti-seize will last the longest. I worked as a mechanic in a highly corrosive environment and we would anti-seize every nut and bolt on many of the stuff we repaired. We never had problems removing bolts that were anti-seized. You do have to be careful with anti-seize though, you don't want to use it on critical bolts that could work themselves loose over time. Like automobile lug nuts for example.
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Posted: 4/14/2006 10:06:32 AM EDT
[#21]
Wipe off excess moly grease using a napkin or paper towel. |
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Posted: 4/14/2006 12:56:03 PM EDT
[#22]
I think they recommend moly because it doesn't wear off easily over time.
No, Moly Grease is recommended because it does what it is made for, preventing galling of threads. It allows you to smoothly tighten up the nut while aligning for the gas tube. Anti-Seize materials are for the most part a grease with powdered metal, copper, zinc, aluminum. This stuff is rather gritty, and the metal gets embedded in the aluminum threads. It is better for steel against steel. Commonly used on water pumps, exhaust, etc. Use moly grease on your barrel nut. As stated above, this is ordinary wheel bearing grease. If you can't find it, use regular grease like you would use in a grease gun. |
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