Zaffiri Precision 17.34.UPK Upper Parts Kit for Glock 17/17L/34 Gen 1-3

PARTS INCLUDED: FIRING PIN SPRING, FIRING PIN SPACER SLEEVE, SPRING CUPS (2-Pieces), FIRING PIN SAFETY, FIRING PIN SAFETY SPRING, EXTRACTOR DEPRESSOR PLUNGER, EXTRACTOR DEPRESSOR PLUNGER SPRING, SPRING LOADED BEARING, FIRING PIN CHANNEL LINER, EXTRACTOR, SLIDE COVER PLATE Billet Aluminum, RECOIL SRING ASSEMBLY (GUIDE ROD) Polymer