Shop 158 Deals on 5.56×45mm NATO Upper Receivers

VKTR Industries VK-1 13.7" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Armor Black - V-4027-3410-004-RP

Patriot Ordnance Factory Minuteman 16.5" Complete Upper 5.56x45mm 1:8, Black - 1652

Del-Ton Inc 16" Complete Upper Assembly 5.56x45mm 1:7, Black - DT1040

Sharps Bros AR-15 223 Rem/556NATO Complete Upper Receiver - SBBU01

VKTR Industries VK-1 5.56x45mm 16" 1:7 M-LOK Rail w/ BCG & CH, Black - V-4027-3410-001-RP

Troy Industries .223 Remington Upper with 16" Barrel, Black - SUPGA3M16BT00

Anderson Manufacturing 16" Classic Upper 5.56x45mm 1:8 Carbine-Length, Black

Del-Ton Pre-Ban 16" Classic Upper 5.56x45mm 1:9 Mid-Length, Black

Troy Industries .223 Remington Upper with 16" Barrel, Black - SUPGA4S16BT00

Gemtech GVAC 16. 10" Upper Receiver 5.56x45mm 1:8, Black - 13833

Patriot Ordnance Factory Minuteman 16.5" Complete Upper 5.56x45mm 1:8, Patriot Brown - 1815

Aim Sports 16" Complete Upper Assembly 5.56x45mm 1:8, Black - AR5CUB3

Radian Weapons Model 1 MOE Upper M-LOK Rail with Charging Handle, Black - Advanced Tactical - R0428

Aero Precision M4E1-T Upper Flat Dark Earth 5.56 10.5 Barrel No BCG/CH

CMMG Resolute 16.10" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Mid-Length with Charging Handle - Armor Black - 55BB40BAB

Tacfire Build Kit for AR-15 5.56 NATO/223 Remington Unassembled Rifle, Nitride Black - SSRK556LPK

HM Defense 12.50" Classic Upper 5.56x45mm 1:8 M-LOK Rail Mid-Length with BCG and CH, Black - 125MBUP556

HM Defense .223 Remington Upper with 16" Barrel, Black - 16MBUP556

Sons of Liberty Gun Works Veil Solutions .223 Remington/5.56x45mm 13.70", Tan

HM Defense .223 Remington Upper with 16" Barrel, Black - 16MBUP556L

FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 M-LOK Picatinny Rail, Black

Bushmaster 16" Classic Upper .223 Remington/5.56x45mm with 1:8 Twist Rate and M-LOK- Carbine-Length with BCG and CH- Black - 00-40011-BLK

HM Defense MonoBloc 9.5" AR-Style Upper Receiver 5.56x45mm/.223 Remington - 95MBUP556

Aero Precision M4E1 Enhanced Upper w/o Forward Assist, Black