This Zaffiri Precision Slide Parts Kit fits Glock 19 / 17 / 17L / 26 and 34 - Gen 1-4. VERY IMPORTANT - GUIDE ROD (Recoil Spring Assembly) IS NOT INCLUDED!These are great for completing your custom slide. All parts are from US manufacturers. All Parts are made to the highest tolerance to the original specification. PARTS INCLUDEDFIRING PIN SPRINGFIRING PIN SPACER SLEEVESPRING CUPS (2-PACK)FIRING PIN SAFETY NITRIDEFIRING PIN SAFETY SPRINGEXTRACTOR DEPRESSOR PLUNGER NITRIDEEXTRACTOR DEPRESSOR PLUNGER SPRINGSPRING LOADED BEARINGFIRING PIN CHANNEL LINEREXTRACTORSLIDE COVER PLATE 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.