Complete Upper Receivers

GE SUPER DUTY MOD1 5.56 12.5 URG DDC

Geissele Automatics

GE SUPER DUTY MOD1 5.56 12.5 URG BLK

Geissele Automatics

GE SUPER DUTY MOD1 5.56 11.5 URG DDC

Geissele Automatics

GE SUPER DUTY MOD1 5.56 11.5 URG BLK

Geissele Automatics

GE SUPER DUTY MOD1 5.56 10.3 URG DDC

Geissele Automatics

GE SUPER DUTY MOD1 5.56 10.3 URG BLK

Geissele Automatics

GE URG-I NC 556NATO 11.5" BLK/DDC

Geissele Automatics

GE URG-I NC 556NATO 10.3" BLK/DDC

Geissele Automatics

FAXON ARAK-21 7.62X39 12.5" UPPER

Faxon Firearms

FAXON ARAK-21 556NATO 12.5" UPPER

Faxon Firearms

FIGHT MCR MIL DF UPR 556 PIC 12.5"

FightLite

FIGHT MCR MIL DF UPR 556 MLOK 12.5"

FightLite

FIGHT MCR DUAL FD UPR 556 PIC 12.5"

FightLite

FIGHT MCR DF UPPERR 556 MLOK 12.5"

FightLite

DD URG DD4 RIIIS 11.5" 5.56 BLK/FDE

Daniel Defense

DD M4V7S UPPER URG 11.5" 556NATO

Daniel Defense

DD M4 UPPER 300BLK 10.3" BLKT UPPER

Daniel Defense

DD MK18 URG UPPER 556 10.3" MK18 FDE

Daniel Defense

DD MK18 URG UPPER 556 10.3" MK18 BLK

Daniel Defense

COLT EPR UPPER KIT 5.56 11.5" BLK

Colt's Manufacturing

COLT M4 UPPER 5.56 11.5" LW BLK

Colt's Manufacturing

COLT EPR UPPER KIT 5.56 14.5" BLK

Colt's Manufacturing

COLT LE6921 UPPER 556NATO 14.5"

Colt's Manufacturing