0nslaught Posted May 20, 2007 Report Share Posted May 20, 2007 Has anyone bought the Nine Ball 6.03 Inner Barrel for KSC USP Compact? is it better than the KM barrel? is it a drop in install like the KM? or is there some modification to do. was there a noticeable FPS change and tighter groupings? anything else would be great. thanks Link to post Share on other sites
0nslaught Posted May 20, 2007 Author Report Share Posted May 20, 2007 anyone? Link to post Share on other sites
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