[jdavidboyd]

How much grease should be on the rails the bolt moves on? My recently purchased m1a has enough Vaseline looking grease on it to lube a car. Should just be a light layer, correct?

 

[squirrelhunter]

Correct,the more grease the more dirt and crud it will collect.

Welcome aboard by the way.

 

[CAV_Scout]

Greetings Citizen
Believe an owner / operator manual can be downloaded @ SA
That should give you a starting point of, what, where and when.