I have been seeing a lot of builds going on lately and I know we have also had a bunch of people asking about buying vs building. The AR is an easy platform to take care of but, for a person that is new to the AR platform it can look like a lot to take care of. Here we are going to go over how to lube your ar so you get the best lube possiable and get it all in the right spots. I use a combo of Grease and Oil. I have and love Wilson Combat Moly Lube for my grease and Mobil 1 0w-40 fully synthetic motor oil. It goes on easy and stay put. First area we are going to talk about is the bolt. I put a drop of oil on the Gas rings and use my finger to work it in and then work it on to the back of the bolt. You can see where in the picture below. Next we will go over the bolt carrier. the bolt carrier has 5 spots I lube with a touch of grease. You will be able to see them on your because they will shot some wear from the bolt cycling. I have pointed them out in the picture below. I use grease here because this is a high friction area that needs all the lube it can get as it is a STEEL bolt carrier riding on and in an aluminum upper.