5.56x45mm NATO Upper Receivers

Yankee Hill Machine Company Turbo with Integral Turbo T2 Suppressor 5.56 10.5 Barrel

Radian Weapons Model 1 Builder Kit Brown 5.56 14 MLOK Handguard

YHM Turbo K Integral Suppressor 5.56 P&W 10 Barrel

Daniel Defense MK18 AR-15 Pistol Complete Upper Receiver 5.56mm NATO 10.3" Barrel Flat Dark Earth

Daniel Defense MK18 AR-15 Pistol Complete Upper Receiver 5.56mm NATO 10.3" Barrel Black

KGM Suppressors ISURG 5.56

Geissele USASOC URG-I Near Clone AR-15 Complete Upper Receiver 5.56x45mm NATO 14.5" Pinned Barrel

Daniel Defense DDM4v7 S AR-15 Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel

Daniel Defense DDM4v7 AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Daniel Defense MK18 RIII AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.3" Barrel Flat Dark Earth

Daniel Defense M4A1 Block II AR-15 Complete Upper Recevier 5.56x45mm NATO 14.5" Pinned Barrel

Faxon Forged Stripped AR-15 Upper Receiver Aluminum Black

LBE Upper with Forward Assist and Dust Cover

Daniel Defense MK18 RIII AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.3" Barrel Black

Daniel Defense DDM4v7 Pro AR-15 Complete Upper Receiver 5.56x45mm NATO 18" Barrel

Daniel Defense DDM4v7 Lightweight AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Noveske AR-15 Chainsaw Complete Upper Receiver 5.56x45mm NATO 16" Barrel NSR-15 M-LOK Handguard Black

Spikes Tactical ST-15 Enhanced Mid-Length Complete Upper 5.56 / .223 Rem 16-inch CHF

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 16" Cold Hammer Forged Barrel M-LOK DDC

SIG SAUER MCX 5.56 NATO 10.3" - FDE

AR-STONER AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10" Barrel

FightLite Industries Mission Configurable Rifle Complete Upper 5.56 16.25 Threaded Barrel

Daniel Defense DD4 RIII AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

Spike s Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail