MSR Uppers

WMD Guns, Upper Receiver, 556NATO, NiB-X Coating, Nickel, Stripped

WMD Guns, Complete Upper Assembly, 350 Legend, 16" Barrel, Anodized Finish, Black Receiver, 15" Nickel-Boron Coated M-LOK, Muzzle Brake, Nickel-Boron BCG

YHM STRIPPED A3 UPPER RECEIVER FOR AR-15

YHM STRIPPED BILLET UPPER RECEIVER FOR AR-15

Zaffiri Precision, UPK, Upper Parts Kit, Fits Glock 17/34 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 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)