Originally Posted by aZn_triXta07
The only research on the SRC M4's you'll find at this time are from last years first release of the SRC M4s (Version 1) so I will have to see, but gears are dirt cheap and if anything I can get a new mechbox for $50USD
This is the review I found, dated 23 Jan, 2007: http://www.airsoftpacific.com/content.php?page=34
. It doesn't go into detail on the internals. There seem to be some cosmectic flaws and some compatiblity issues with TM fore grips. Also it states at the very bottom that this gun is a V2. I don't know how much this will help but I thought I let you guys know.