CCI Clean-22 Hyper Velocity clocks in at 1,550 fps, while the advanced polymer coating on the 31-grain lead round nose bullet reduces fouling, especially in suppressed rimfires. Now you can get all the benefits of exclusive Clean-22 technology with the flat trajectories and power of an extreme-velocity load. FeaturesPurple polymer bullet coating reduces lead fouling in the barrel without leaving residueCuts lead buildup in suppressors 60 to 80 percentOptimized bullet geometry for improved accuracyHigh-velocity loading and reliable function in semi-automatic firearms