223 Remington Upper Receivers

Brn16a1(R) 20'''' Complete Upper Receivers - Brn M16a1 Upper Receiver 20'''' Rifle Length, 1-7 Twist, Black

Brn-4(R) Upper Receiver Assemblies With Chrome Lined Barrels - Brn-4 Assembled Upper 13.7'''' Medium Chrome Lined Barrel Black

Brn-4(R) Upper Receiver Assemblies With Chrome Lined Barrels - Brn-4 Assembled Upper 10.4'''' Medium Chrome Lined Barrel Black

WHISPERCHICKS MAKEOVER 556

LWRC International LWRCI ICMKII PSD 8" Bbl FDE Upper ICMKIIU5CK8

COBALT CK-PRO-URG-13-S-CKG 13" URG CKG

Patriot Ordnance Factory POF P415 .223 11.5" Black M-Rail Handguard Upgrade 00421

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black

Radian Weapons AX556, Billet Upper/Lower Set, Semi-auto, 556 NATO/223 Remington, Ambidextrous, Cerakote Finish, Brown, Includes Radian Talon Ambidextrous Safety, Hammer Pin, 14 in MLOK Handguard R0413

Radian Weapons AX556, Billet Upper/Lower Set, Semi-auto, 556 NATO/223 Remington, Ambidextrous, Cerakote Finish, Brown, Includes Radian Talon Ambidextrous Safety, Hammer Pin, 17 in MLOK Handguard R0397

Radian Weapons AX556, Billet Upper/Lower Set, Semi-auto, 556 NATO/223 Remington, Ambidextrous, Cerakote Finish, Brown, Includes Radian Talon Ambidextrous Safety, Hammer Pin, 15.5 in MLOK Handguard R0405

Radian Weapons AX556, Billet Upper/Lower Set, Semi-auto, 556 NATO/223 Remington, Ambidextrous, Cerakote Finish, Olive Drab Green, Includes Radian Talon Ambidextrous Safety, Hammer Pin, 17 in MLOK Handguard R0399

Tiger Rock Upper Receiver AR-15 Billet Black Small

Luth-AR Complete Upper Receiver Assembly .223 27in 18in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/

Luth-AR Complete Upper Receiver Assembly .223 26in 16in Bull Carbine 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/

Seekins Precision DMR .223/5.56 18" Bbl Complete Upper Receiver 0011100107-F

ABC RIFLE COMPANY AR-15 Billet Stripped Upper Receiver Cerakote Red

ABC RIFLE COMPANY AR-15 Billet Stripped Upper Receiver Cerakote Bronze

ABC RIFLE COMPANY AR-15 Custom Billet Modular Stripped Upper Receiver Black

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 10in Quadrail Handguard Complete Upper Receiver w/BCG And Charging Handle Black

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 10in Quadrail Handguard Complete Upper Receiver w/BCG And Charging Handle Tungsten

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Micro Pistol 5in Barrel M-LOK Handguard Upper Receiver w/BCG And Charging Handle Black

ABC RIFLE COMPANY AR-15 .223 5.56 Complete Build 16in Barrel 15in Lightweight Hybrid M-LOK Handguard Upper Receiver 1-10 Twist 1/2x28 A2 Style Muzzle

ABC RIFLE COMPANY AR-15 .223 5.56 Complete Build 16in Barrel 15in Lightweight Hybrid M-LOK Handguard Upper Receiver 1-10 Twist 1/2x28 A2 Style Muzzle