223 Remington Upper Receivers

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

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 Remington/5.56x45mm NATO Micro Pistol 5in Barrel Custom 5in Top Cut Custom M-LOK Handguard Complete Upper Receiver w/BCG

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Micro Pistol 5in Barrel Custom 5in Top Cut Custom M-LOK Handguard Complete Upper Receiver w/BCG

Fortis Manufacturing Billet Upper Receiver Stripped Black

Dirty Bird 7.5" Pistol 556 M-LOK Complete Upper - OD Green

Dirty Bird 7.5" Pistol 556 M-LOK Complete Upper - Midnight Bronze

Dirty Bird 7.5" Pistol 556 M-LOK Complete Upper - Black

Dirty Bird 16" Govt Mid 556 M-LOK Complete Upper - FDE

Wilson Combat Mil-Spec AR-15 Receiver Set Anodized Black

Moriarti AR-15 5.56/.223 16in Carbine Upper Assembly Black 25.25in

Moriarti AR-15 5.56/.223 Stainless Steel Diamond Fluted Tactical Upper Assembly Black 20in

Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile Black 28.15in

XTS Complete Upper Receiver w/o BCG w/12in Ce Rail USA Edition AR15 24.75in 12in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Stainless Steel Bird

XTS Complete Upper Receiver w/o BCG w/ 12in Ce Rail AR-15 .223/5.56 24.75in 16in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 19.5in 10.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride

Lantac LA-XR15 Onyx Billet Receiver Set 01-RV-SET-ONYX

Sons of Liberty Gun Works SOLGW L89 SPR URG, 16" .223W, A2 Flash Hider, no BCG/CH M4L89UPPER-16SPR-223-SOLGW

Armalite M15 3 Gun Upper Assy 13.5" bbl UM153GN13

Andro Corp Industries ACI-15 Forged Receiver Set with 7.25" MLOK Handguard Flat Dark Earth

Andro Corp Industries ACI-15 Forged Receiver Set with 15" MLOK Handguard Black

Andro Corp Industries ACI-15 Forged Receiver Set with 9.25" MLOK Handguard Black

Andro Corp Industries ACI-15 Forged Receiver Set with 15" MLOK Handguard OD Green