Originally Posted by Gren
Both G&G and ICS are good products. The one difference is that the G&G is a standard version 2 gear box, so parts are more available. The ICS makes theirs more for their product line use. I have a couple of friends with ICS products and one of their problems is mags, the ICS line doesn't seem to like other mag types.
Ill take that comment and revise it.. I have run TM, CA, Mag, and even Hicaps of the same brands and have had no issues with my ICS.. Your friends probably dont maintain their mags.