AR Sponsor
Posted: 11/10/2006 6:21:25 PM EDT
| i am building a DPMS ar15 .223 anyone got any tips on wha kinda grease and where i can get a guide on how to build it? |
You can use any automotive greese. You want to put greese on the barrel nut threads and on the barrel extension as it slides into the upper. |
Ditto. I have been working really hard... and have been able to use up about 1 ounce thus far.... over the last three years. |
I took an appleshooting course and they went over cleaning and lubing up the rifle. The grease the instuctor used he purchsed at Pep Boys, don't know if there are any near you. His theory was why buy stuff that says its for guns and be charged $5 for a small tube when you can buy a one pound container and it will last 20 years. And if you have not done an appleseed shoot try it you will like it.
|
|
I recommend a Molybdenum Disulfide grease like what Bushmaster sells. It has great stability over a very wide temperature range from subzero to hundreds of degrees of heat. It does not burn off and a very small amount goes a long way. Info from Wikipedia: "The structure, appearance, and feel of molybdenum disulfide is similar to graphite - a sandwich of layers of molybdenum atoms between the layers of sulfur atoms. Due to the weak interactions between the sheets of sulfide atoms, MoS2 has a lubricating effect. Finely powdered MoS2 with particle sizes in the range of 1-100 µm is a common dry lubricant. It is also often mixed into various oils and greases, which allows the mechanisms lubricated by it to keep running for a while longer, even in cases of almost complete oil loss - finding an important use in aircraft engines. MoS2 grease is recommended for CV and universal joints. It is also used as a lubricating additive to special plastics, notably nylon and teflon. During the Vietnam war, a commercial molybdenum disulfide product, "Dri-Slide", was used for lubricating troop's weapons; the military refused to supply it, as it was "not in the manual", so it was sent to soldiers by their parents and friends privately.[2] Another application is for coating bullets, giving them easier passage through the rifle barrel with less deformation and better ballistic accuracy. Self-lubricating composite coatings for high temperature applications were developed at the Oak Ridge National Laboratory. A composite coating of molybdenum disulfide and titanium nitride was created on the surface of parts by chemical vapor deposition." |
Where would you apply any grease at all, in a typical clean and lube? The only place I know to apply grease would be the barrel nut threads and barrel extension during assembly, and possibly the trigger sear surfaces during cleaning. Anywhere else, IMHO, can be dangerous. |
|
For my assembly I have used the two following lubricants: 1)Loctite C5-A Copper Based Anti-Seize Lubricant (source ebay) 2)Moroso Moly Paste Molybdenum Disulfide Assembly Lube (source ebay) I used the Loctite for steel to aluminum contact , ie barrel nut /upper receiver. The moly paste is used for the Fire Control Assembly. I have put together several Ar15s and FALs using these chemicals with no complaints. |
The thread took a turn, because someone interjected information about using grease during cleaning and lubrication.... which sponsored a new discussion. His question on using grease during assembly was answered. RTF thread. 
|
AR Sponsor