My (stock) P-09 has quite a bit of frame friction with the slide, especially at the front dust cover area. It cycles free and clear, but it's not nearly as smooth as a pistol that has no metal-to-plastic contact (like my M&P Shield). When these CZs are tuned up, is anything normally done with the front frame area to loosen that up? Sure, it doesn't seem to influence function any, but I'm wondering, if tuned guns cycle so much smoother than stock, what might be behind that magic.