RTS is READY TO SHIP slide Slide has been Optic Cut and Coated no changes can be made to this slide. Zaffiri Precision Stainless Steel Slides were designed with tight tolerances to increase accuracy and performance. There are different optic configurations and variety of coatings for a customized look. These are among the best aftermarket slides available for Glock. Fits Glock 48 (G43 and 43x) frame. Also compatible with Polymer80 PF9ssZero 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 for proper sight retention. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols. Specifications for Zaffiri Precision RTS Glock 48 ZPS.2 RMSc Cut Slide: Manufacturer: Zaffiri Precision Gun Make: Glock Gun Model: Glock 48 Gun Frame Size: Compact Optic Cut: RMSc Cut Color: Armor Black Length: 6.8 in Width: 1 in Height: 1 in Finish: Cerakote Fabric/Material: 17-4 Stainless Steel Features of Zaffiri Precision RTS Glock 48 ZPS.2 RMSc Cut Slide Machined from 17-4 Stainless Steel All slides are pre-cut and cerakoted to order. Does not include channel liner (Not required on 43 / 43X / 48) This slide is NOT compatible with ported barrels. Optics Cut: Our Shield RMSc, Holosun 407k/507k, and Sig Romeo Package Contents: Zaffiri Precision RTS Glock 48 ZPS.2 RMSc Cut Slide RMSc Cover Plate w/Screws This product is compatible with the following gun models: Glock 48