MSR Uppers

Zaffiri Precision, UPK, Upper Parts Kit, Fits Glock 19 Gen 1-3, Includes Firing Pin and Spring, Firing Pin Spacer Sleeve, Firing Pin Channel Liner, Spring Cups, Safety Plunger and Spring, Extractor, Extractor Depressor Plunger Assembly, Slide Recoil Cover Plate, Guide Rod

Zaffiri Precision, UPK, Upper Parts Kit, Fits Glock 43/43X/48, Includes Firing Pin and Spring, Spring Cups, Safety Plunger and Spring, Extractor w/LCI, Extractor Depressor Plunger Assembly, Slide Recoil Cover Plate, Recoil Spring Assembly (Guide Rod)