223 Remington Upper Receivers

Fortis Manufacturing Billet Dust Cover Carbon Fiber Blue Blue

1791 Industries LiteRaider Magnite Lightweight Stripped Upper Receiver AR-15 FDE

1791 Industries LiteRaider Magnite Lightweight Stripped Upper Receiver AR-15 Black

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

Geissele Automatics Super Duty Assembled AR-15 Upper Receiver - DDC

Geissele Automatics Super Duty Assembled AR-15 Upper Receiver

Moriarti AR-15 5.56/.223 MLok Upper Assembly Shroud MLok Black 7.5in

Moriarti AR-15 5.56/.223 7.5in Pistol Upper Assembly Black 21in

Moriarti AR-15 5.56/.223 7.5in Pistol Shark Mlok Upper Assembly Black 16.5in

Cry Havoc Tactical 223 Two Pin QRB Kit - Mid Length Gas Tube

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish

XTS Complete Upper Receiver w/o BCG w/ 12in Ce Rail USA Edition AR-15 24.75in 16in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Stainless Steel Bird

XTS Complete Upper Receiver w/o BCG w/ 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 USA Edition AR-15 19.5in 10.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Stainless Steel Bird Cage

XTS Complete Upper Receiver w/o BCG w/ Ce Rail USA Edition AR-15 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Stainless Steel Bird Cage

Guntec USA AR-15 Upper Completion Kit With Gen 3 Dust Cover Cerakote Flat Dark Earth

Guntec USA Gen 3 AR-15 Ejection Port Dust Cover Assembly Anodized Irish Green

Guntec USA Gen 3 AR-15 Ejection Port Dust Cover Assembly Anodized Rose

Guntec USA AR-15 Upper Completion Kit w/ Gen 3 Dust Cover Gold Plated

Guntec USA AR-15 Upper Completion Kit w/ Gen 3 Dust Cover Black Chrome

Guntec USA AR-15 Upper Completion Kit w/ Gen 3 Dust Cover Chrome

Guntec USA AR-15 Upper Completion Kit w/ Gen 3 Dust Cover Matte Rainbow Pvd Coated

Guntec USA AR-15 Upper Completion Kit w/ Gen 3 Dust Cover Anodized Bronze

Guntec USA AR-15 Upper Completion Kit w/ Gen 3 Dust Cover Anodized Grey