I suggest removing anything that's wood with carbon fiber furniture. Yes it's expensive but it'll save you a few ounces, which can mean the difference between life and death in an airsoft situation. While you're at it, put lots of rails on it, it'll make it look super modern and leet! Throw out the stock gearbox shell and replace it with one that's CNC, MUCH stronger! If you found the previous pieces of advice impractical or expensive, read this:
http://airsoftsniper.proboards.com/i...ay&thread=1291