Zaffiri Precision Slide Parts Kit (UPK) for GlockA(R) 26 Gen 3 and 4.These are great for completing your custom slide. All parts are from a US manufacturer and 100% American made. All Parts are made to the highest tolerance to the original specification. PARTS INCLUDEDFIRING PIN SPRINGFIRING PIN SPACER SLEEVESPRING CUPS (2-Pieces)FIRING PIN SAFETYFIRING PIN SAFETY SPRINGEXTRACTOR DEPRESSOR PLUNGEREXTRACTOR DEPRESSOR PLUNGER SPRINGSPRING LOADED BEARINGFIRING PIN CHANNEL LINEREXTRACTORSLIDE COVER PLATERECOIL SRING ASSEMBLY - Stainless Steel 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.