Zaffiri Precision aftermarket Glock 43 - ZPS.3 slide. Single billet 17-4 stainless steel slides are made with tight tolerances that allow an increase in accuracy and performance. 100% American made and manufactured at Zaffiri Precision's facility. These are among the best aftermarket slides available for Glock. FeaturesMachined from billet 17-4 Stainless SteelOptic Cut - RMSC CutSlide is pre-cut and pre-CerakotedBlack anodized optics cover plate included Note - This Glock 43 ZPS.3 slide NOT ported compatible. No parts will be assembled. Optics Cut: Shield RMSc, Holosun 407k/507k, and Sig RomeoZero optic cuts are all the same footprint with NO rear lugs and slightly lowered front lugs. This makes the same footprint compatible with all 3 companies. Optic Cover Plate is included! The screws are all slightly different for optic mounting. Optic mounting position in front of the factory location of the rear iron sight. Screws are 6-32 thread. Blue Loctite recommended fo...