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Posted: 4/4/2014 11:39:30 AM EDT
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First of all, yes I've seen this: http://www.ar15.com/mobile/topic.html?b=3&f=7&t=548967
While this is helpful, I'm unable to find a resource specific to the building process. Should detents/springs be oiled, etc. I don't want to F this up. The lower build guide on this site has no mention of lubrication. I'd also like to know specifically where oil should be applied and where grease should be applied. I picked up some Aeroshell 33ms, but haven't looked at a good oil yet. Any suggestions? Not looking for lengthy answers here as much as I am looking for resources, but any advice would be much appreciated. |
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I didn't really lube much during my build. Just did it a few nights ago and after build was complete I pulled the BCG and gave that a quick lube down and dropped about 3-4 drops on the top of my hammer/trigger assembly. Test fired it on Monday. Ran about 100 rounds through it. I had one empty shell jam. It looked like it got stuck on the extractor. I think it will clear up after more rounds of breaking in.
ETA:I did put some anti-seize on my barrel nut and the threads on the upper the barrel nut screws on to. |
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Aside from barrel nut, I grease the bolt and bolt carrier group bearing surfaces, and also the contact points on the trigger assembly. Makes the trigger so much smoother and reduces the trigger break-in time. I give an overall spritzing of all moving parts with gun oil.
I also smear a little grease on the buffer spring and inside the receiver extension tube. Gets rid of most of the cheese grater noise and sproing when charging the gun. |
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XF-7 applied by the instructions is good for a wide range of temps, but I would think better safe than sorry.
Also keep in mind even the various CLP formulations have their limits. Most anti-seize compounds contain graphite which is known to be potentially problematic with aluminum. |
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