556NATO
556NATO
BAD 10.5 UPPR WRKHORSE 556 AMBI BLK
Battle Arms Development, WORKHORSE, Complete Upper Receiver, 5.56 NATO, 10.5" Barrel, Fits AR-15, M-..
BAD 10.5 UPR WRKHORSE 556AMBI C BLK
Battle Arms Development, WORKHORSE, Complete Upper Receiver, 5.56 NATO, 10.5" Barrel, Fits AR-15, M-..
BAD WORKHRSE 556 UPPR 10.5 BLK N/BCG
Battle Arms Development, WORKHORSE, Upper Receiver Assembly, 223 Remington/5.56 NATO, 10.5" Barrel, ..
FIGHT MCR DF UPPER 556 MLOK 12.5"
FightLite, Mission Configurable Rifle Dual-Feed Upper Receiver Assembly, 5.56 NATO, 12.5" Quick-Chan..
FIGHT MCR DUAL FD UPR 556 PIC 12.5"
FightLite, (MCR) Mission Configurable Rifle, Complete Upper Receiver, 5.56 NATO, 12.5" Threaded Barr..
FIGHT MCR MIL DF UPR 556 MLOK 12.5"
FightLite, Mission Configurable Rifle Dual-Feed Upper Receiver Assembly, 5.56 NATO, 12.5" Quick-Chan..
FIGHT MCR MIL DF UPR 556 PIC 12.5"
FightLite, (MCR) Mission Configurable Rifle, Milspec Complete Upper Receiver, 5.56 NATO, 12.5" Threa..
LBE READY BUILD KIT 14.5" CHF BBL
LBE Unlimited, Ready Build Kit, Complete Upper Receiver, 14.5" Cold Hammer Forged Barrel, 223 Reming..
MAXIM PDX UPPER 5.56 5.5" BLK
Maxim Defense Industries, PDX Complete upper, 5.56 NATO, 5.5" Barrel, Anodized Finish, Black, AR Rif..
BAD 10.5 UPPR AUTH ELITE 556 C BLK
Battle Arms Development, Authority Elite, Complete Upper Receiver, 5.56 NATO, 10.5" Barrel, Fits AR-..
COLT LE6921 UPPER 556NATO 14.5"
Colt's Manufacturing, Complete Upper Receiver, Fits AR, 223 Remington/5.56 NATO, 14.5" Chrome Lined ..
COLT LE6933 EPRII PRO UPPER 11.5 HUX
Colt's Manufacturing, LE6933 Enhanced Patrol Rifle II PRO Upper, Complete Upper Receiver, .223 Remin..
COLT LE6933 EPRII PRO UPPER 11.5" SF
Colt's Manufacturing, LE6933 Enhanced Patrol Rifle II PRO Upper, Complete Upper Receiver, .223 Remin..
COLT LE6933 EPRII UPPER 556 11.5 HUX
Colt's Manufacturing, LE6933 Enhanced Patrol Rifle II Upper, Complete Upper Receiver, .223 Remington..
COLT LE6933 EPRII UPPER 556 11.5" SF
Colt's Manufacturing, LE6933 Enhanced Patrol Rifle II Upper, Complete Upper Receiver, .223 Remington..
COLT LE6933EPRII UPPER KIT 11.5"
Colt's Manufacturing, LE6933EPRII, Upper Receiver, 5.56 NATO, 11.5" Barrel, Fits AR-15/M4 Lower Rece..
COLT LE6933EPRII-PRO UPPER KIT 11.5"
Colt's Manufacturing, LE6933EPRII PRO, Upper Receiver, 5.56 NATO, 11.5" Barrel, Fits AR-15/M4 Lower ..
COLT M4 UPPER 5.56 11.5" LW BLK
Colt's Manufacturing, Complete Upper, 223 Remington/5.56 NATO, 11.5" Lightweight Barrel, Black Finis..
DD GL/SSC RISII UP RCVR 12.5 556 FDE
Daniel Defense, RIS II, Complete Upper Receiver, 5.56 NATO, 12.5" Government Profile Barrel, Carbine..
DD M4V7S UPPER URG 11.5" 556NATO
Daniel Defense, DDM4V7 S Complete Upper Receiver Group, 5.56 NATO, 11.5" Barrel, 1:7 Twist, Daniel D..
DD MK18 URG UPPER 556 10.3" MK18 BLK
Daniel Defense, Complete Upper, MK18 URG, 5.56 NATO, 10.3" Hammer Forged Barrel , 1:7 Twist, Flat To..
DD MK18 URG UPPER 556 10.3" MK18 FDE
Daniel Defense, Complete Upper Receiver, MK18 URG, 5.56 NATO, 10.3" Hammer Forged Barrel, 1:7 Twist,..
DD URG DD4 RIIIS 11.5" 5.56 BLK/FDE
Daniel Defense, DD4 RIIIS, Complete Upper Receiver, 5.56 NATO, 11.5" Barrel, 1:7 Twist, Daniel Defen..