5.56x45mm NATO Upper Receivers

XTS AR-15 5.56 NATO 12.5in M-LOK Upper Receiver Government Profile Carbine Length 1-7 Twist 1/2x28 A2 Flash Hider 12in Handguard Anodized Black

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

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

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

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

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Pink

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Unfinished

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Irish Green

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Red

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Grey

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Gold

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Clear

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Bronze

Guntec USA AR-15 5.56x45mm NATO Slabside Stripped Billet Upper Receiver Anodized Blue

Guntec USA AR-15 Upper Receiver Assembly Kit Gen 3 Trap Door Assembly Cerakote Flat Dark Earth

Guntec USA AR-15 Upper Receiver Assembly Kit Matte Rainbow Pvd Coated

Guntec USA AR-15 Upper Receiver Assembly Kit Gloss Rainbow Pvd Coated

Guntec USA AR-15 Upper Receiver Assembly Kit Black Chrome

Guntec USA AR-15 Upper Receiver Assembly Kit Chrome

Guntec USA AR-15 Upper Receiver Assembly Kit Gold Plated