Originally Posted by Aper
White lithium grease could be good for AEGs (gears) but as for a GBBR, there is no reason to use it. Stick to synthetic grease like this one;
Synthetic Grease @ CT.
Like I said, you should use light silicone oil on everything that is made from rubber on the gun (nozzle o-rings) and on your magazine's seal.
Thanks for the help bought the grease works great!