PSA Sabre AR-10 Upper Forged 20" 6.5 Creedmoor Rifle-Length Quad Rail w/ Fluted Barrel

CMMG Resolute Mk4 AR-15 Complete Upper Receiver 350 Legend 16.1" Barrel

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

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

Rise Armament Compete Upper Grey .22 ARC 18 Barrel

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Rise Armament AR-15 Complete Upper Receiver 22 ARC 18" Barrel 15" M-LOK Handguard Rifle Length Black

Rise Armament AR-15 Complete Upper Receiver 22 ARC 18" Barrel 15" M-LOK Handguard Rifle Length Patriot Brown