I found that Monkey Poo didn't make any difference in my geo2 but it did make a difference my dm9. The Virtue Syn V6 I had was horrible in both my geo and my dm9. I currently use Eclipse grease but if you can't get a hold of some just finds a dow33 based paintball lube.
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eniviousjohn: "So please, please, for the love of all things scantily clad and 40% alcohol by volume, just shoot the guns for yourselves. If you're having trouble choosing between which super expensive mega-awesome new paintball marker to choose from, are you really even having a problem to begin with?