We design our guns around the sleek lube. Since we know that the orings will not have issues with our grease, we can only reccomend ours. We have had many issues with other lubes out there making the orings swell up. Which is not a good thing for a spool valve electro-pneumatic paintball gun. Back in the old 4X4 days... I even saw a gun that was "lubed" with loctite. I laughed so hard. But it took me hours to get the gun apart and fix it all.