Firearm-parts/uppers/

Heckler and Koch (HK USA)

HK UPPER MR556A4 5.56 16.5 BLK

Radical Firearms

RADICAL UPPR 556 16 1-7 MLOK BLK

Radical Firearms

RADICAL UPPR 300BLK 16 1-8 MLOK BLK

Radical Firearms

RADICAL UPPR 762X39 16 1-10 MLOK BL

Geissele Automatics

GE URG-I NC 556NATO 14.5 BLK/DDC

Geissele Automatics

GE SUPER DTY MOD1 5.56 13.9 URG BLK

Faxon Firearms

FAXON ARAK-21 7.62X39 16 UPPER

Geissele Automatics

GE SUPER DTY MOD1 5.56 14.5 URG BLK

Geissele Automatics

GE SUPER DTY MOD1 5.56 14.5 URG DDC

Aero Precision

AERO COMPLETE UPPER 5.56 20 A2 BLK

Sons of Liberty Gun Works

SOLGW E INDIA KIT V2 5.56 13.7 BLK

Aero Precision

AERO M4E1-T UPPER 5.56 16 FDE

Sons of Liberty Gun Works

SOLGW E INDIA KIT V2 5.56 16 BLK

Sons of Liberty Gun Works

SOLGW M4-EXO3 13.7 5.56 URG

Sons of Liberty Gun Works

SOLGW PATROL SL 16 5.56 FSB URG

Nordic Components

NORDIC 16 .22LR COMPLETE UPPER 10RD

Spike's Tactical

SPIKE'S 556NATO M4 LE UPPER W/RAIL

Spike's Tactical

SPIKE'S 556NATO UPPER 16 CHF/FSP

FightLite

FIGHT MCR DUAL FD UPR 556 PIC 16.25

Daniel Defense

DD M4A1 UPPER URG 14.5PB 556 FDE

Daniel Defense

DD M4V7 UPPER 556 16 MLOK BLK

Charles Daly

C.DALY AR 410 UPPER .410 19 5RD

Daniel Defense

DD M4V7 LW UPPER 556 16 MLOK BLK

Primary Weapons Systems

PWS UXR ELT CONV KIT .223 WYLDE 16

Luth-AR

LUTH AR 24 BULL BBL COMP UPPER 223

Rise Armament

RISE CMPLT UPPR 22 ARC 18 BLACK

Rise Armament

RISE CMPLT UPPR 22 ARC 18 PAT BRN

Rise Armament

RISE CMPLT UPPR 6MM ARC 18 BLACK

Rise Armament

RISE CMPLT UPPR 6MM ARC 18 PAT BRN

Radian Weapons

RADIAN UPPER 16 223 WYLDE FDE

Lantac

LANTAC RECON UPPER 223 WYLDE 16