223 Remington Upper Receivers

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 7.5in Barrel M-LOK Handguard Complete Pistol Receiver w/BCG And Charging Handle Flat Dark

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 7.5in Barrel M-LOK Handguard Complete Pistol Receiver w/BCG And Charging Handle Bronze

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

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 7in Barrel Custom 7in Top Cut Hybrid M-LOK Handguard Complete Upper Receiver w/BCG And

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 7in Barrel Custom 7in Top Cut Hybrid M-LOK Handguard Complete Upper Receiver w/BCG And

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 7in Barrel Custom 7in Top Cut Hybrid M-LOK Handguard Complete Upper Receiver w/BCG And

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 7in Barrel Custom 7in Top Cut Hybrid M-LOK Handguard Complete Upper Receiver w/BCG And

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Rifle 16in Barrel Custom 15in Top Cut Hybrid M-LOK Handguard Complete Upper Receiver w/BCG And

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 10in Barrel Custom 10in Slanted M-LOK Handguard Complete Upper Receiver w/BCG And

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 10in Barrel Custom 10in Top Cut Hybrid M-LOK Handguard Complete Upper Receiver w/BCG And

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 7in Barrel Custom 7in Slanted M-LOK Handguard Complete Upper Receiver w/BCG And Charging

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO Pistol 7in Barrel Custom 7in Top Cut Hybrid M-LOK Handguard Complete Upper Receiver w/BCG And

ABC RIFLE COMPANY AR-15 .223 Remington/5.56x45mm NATO 16in Barrel 12in Quad Rail Handguard Upper Receiver w/Charging Handle 1-8 Twist 1/2x28 A2 Style

VKTR Industries 13.7in VK-1 Complete AR-15 Upper w/ SOLGW Nox Muzzle Device Cerakote Sniper Grey

VKTR Industries 16in VK-1 Complete AR-15 Upper Cerakote FDE

Harrington & Richardson Retro M16A1 Upper Receiver

Harrington & Richardson M16A2 Stripped Upper Receiver w/ M4 Feed Ramp, Black

Harrington & Richardson 733 Complete 11.5" Upper, Black

Harrington & Richardson C7 Complete 20" Upper, Black

Harrington & Richardson M16A2 TIA 10" Complete Pistol Upper

LaRue Tactical Stealth 2.0 Assembled AR-15 Upper Receiver - 13" - FDE

Fortis Manufacturing Fortis Billet Upper Receiver Black

Fortis Manufacturing Billet Dust Cover Carbon Fiber Red Red