AR Parts in 5.56x45mm NATO

Guntec USA AR 5.56 Cal Extended Takedown Pin Set Flat Dark Earth

Guntec USA AR-15 Pistol Furniture Set Anodized Red

Guntec USA AR-15 Pistol Furniture Set Flat Dark Earth

Guntec USA AR-15 Pistol Furniture Set Anodized Bronze

Guntec USA AR-15 Pistol Furniture Set Anodized Blue

Guntec USA AR-15 Complete 5.56 Upper Receiver w/o Lower Parts Kit N.5 15in Ultralight Series M-Lok Handguard MLS Gen 2 Stock Assembly Carbine Length

Guntec USA AR-15 5.56 Upper Receiver w/o Lower Parts KitN.215in Ultralight M-LOK HandguardMLS Gen 2 Stock AssemblyCarbine .750 Gas Block16in 5.56mm M4

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard Flash Can

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard Flash Can

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard Flash Can

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard

Ghost Firearms Vital Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard A2 Birdcage

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Chrome Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash Can

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm/.223 10.5in Carbine Moly Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard A2 Flash Hider

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm/.223 10.5in Carbine Moly Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard A2 Flash Hider

Geissele Cold Hammer Forged AR15 5.56 Barrel

Geissele Automatics Geissele Cold Hammer Forged 5.56 NATO 11" CRMOV Gov't Profile Barrel Assembly 05-1247

Ar-15 Blem Super Duty Stripped Receiver Sets - Ar-15 Blemished Super Duty Receiver Set 5.56mm Luna Black

Franklin Armory M4-HTF R2 16 inch 5.56 NATO Midlength Barrel Black

Franklin Armory XO-26 11.5 inch 5.56 NATO Carbine Length Barrel Black