Results for 5.56x45mm NATO Complete Uppers

Aero Precision M4E1-E AR15 5.56mm 8in M-LOK Upper Receiver Heavy Pistol Length 1-7 Twist 1/2x28 A2 Flash Hider 7.3in EM Handguard Cerakote FDE

Aero Precision M4E1 Threaded Complete Upper 7.5in 5.56 Barrel ATLAS R-ONE 7in M-LOK HG Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Rifle Length 20 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider FDE Cerakote

Aero Precision M4E1-T Complete Upper Receiver Threaded 5.56x45mm Mid Pencil 16in Barrel ATLAS S-ONE 15in Handguard M-LOK Anodized Black

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 14.5" Barrel 12.7" ATLAS R-ONE Handguard with Pinned Epsilon SL Muzzle Device Black

M4e1 Assembled Upper Receiver 7.5'''' 5.56mm Pistol Length - M4e1 Assembled Gen 2 Upper Receiver 7.5 Pistol Length

Geissele Automatics Geissele Super Duty 5.56mm 14.5" Heavy Bbl (.750 Journal) DDC Stripped Upper Receiver (No Charging Handle, Muzzle Device, or BCG)

Noveske Upper Complete Chainsaw 5.56 11.5 Commando SS 1/2X28

Noveske AR-15 N4 Shorty Complete Upper Receiver 5.56x45mm NATO 10.5" Cold Hammer Forged Barrel NSR-9.75 M-LOK Handguard Black

Noveske AR-15 N4 SPR Complete Upper Receiver 5.56x45mm NATO 18" Barrel NSR-15 M-LOK Handguard Black

Noveske AR-15 N4 Micro Switchblock Complete Upper Receiver 5.56x45mm NATO 10.5" Barrel NSR-9.75 M-LOK Handguard Black

Aero Precision SM10.3 M4E1-T Complete Upper w/11.5in 5.56 Barrel Black

AERO PRECISION M4E1 PRO Complete Upper 5.56 NATO 16.3" / 15" ATLAS R-ONE Handguard - Black

Aero Precision M4E1-E AR15 5.56mm 8in M-LOK Upper Receiver Heavy Pistol Length 1-7 Twist 1/2x28 A2 Flash Hider 7.3in EM Handguard Anodized Black

AERO PRECISION M4E1-T-NO FA-Comp. Upper, 16" 5.56 Mid, RM15

Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth

Daniel Defense V9 Upper Group Black 5.56 / .223 Rem 16-inch

Aero Precision M4E1 Enhanced Complete Upper Receiver 5.56 NATO 14.5 in Barrel Government Profile 1-7 Twist 12 in M-LOK Handguard Pinned VG6 Epsilon

M4e1 5.56mm Assembled Upper Receiver W/Gen-2 Handguard & Fsb - M4e1 5.56 Assm Uppr Rcvr Gov 10.5'''' Bbl Carbine W/7''''hg & Fsb

LMT Defense MRP-L M-LOK Railed Upper 5.56x45mm/.300 AAC Blackout/6.8 SPC no BCG&CH, Black

Stag 15 5.56 18in 3gun Elite Upper Receivers - Ar-15 3 Gun Elite Upper Receiver 5.56mm Left Hand

Noveske Upper Complete 4Th Generation N4 5.56 13.7 Light Infidel Chf BLK Cerakote NSR 15 (M-LOK) BLK Love Handle Charging Handle KX3 1/2X28 (Pinned)